striking-hour/Context-Question-Answer-Simplified

text stringlengths 25 629
otter Are otters herbivores? No easy hard S08_set1_a7
otter What is the primary item in an otter's diet? Fish. medium medium S08_set1_a7
otter What is the primary item in an otter's diet? fish medium medium S08_set1_a7
otter What is an otter's den called? Holt medium medium S08_set1_a7
otter What is an otter's den called? holt medium medium S08_set1_a7
otter Why is the giant otter becoming increasingly rare? Poaching, habitat loss, and toxins in gold mining. medium hard S08_set1_a7
otter Why is the giant otter becoming increasingly rare? poaching, habitat loss, and the use of mercury in illegal alluvial gold mining medium medium S08_set1_a7
otter How do otters keep themselves warm without blubber? A layer of air trapped in their fur. hard hard S08_set1_a7
otter How do otters keep themselves warm without blubber? a layer of air trapped in their fur hard hard S08_set1_a7
otter How are otters playful animals? The slide down snowy slopes, apparently for sheer enjoyment. hard hard S08_set1_a7
otter How are otters playful animals? They slide repeatedly down snowy slopes for sheer enjoyment. hard hard S08_set1_a7
otter What animals are related to otters? weasels, polecats, and badgers hard hard S08_set1_a7
otter What traps a layer of air, and keeps them dry and warm under water? Long guard hair NULL medium S08_set1_a7
otter The collective noun romp is sometimes used for a group of what? Otters NULL medium S08_set1_a7
otter Is it true that otters eat a variety of fish? yes NULL medium S08_set1_a7
otter Are otters playful animals? yes NULL easy S08_set1_a7
otter Are otters very active? yes NULL easy S08_set1_a7
otter Are male otters dog-otters? yes NULL easy S08_set1_a7
otter An otter 's den is what? A holt NULL medium S08_set1_a7
otter Sea otters eat what? Shellfish and other invertebrates NULL medium S08_set1_a7
otter Is the myth of Otter 's Ransom the starting point of the Volsunga saga ? yes NULL easy S08_set1_a7
otter Are Male otters dog-otters , females are bitches and babies are cubs or pups ? yes NULL easy S08_set1_a7
otter Is an otter 's den called a holt ? yes NULL easy S08_set1_a7
otter Have most otters fish as the primary item in their diet , supplemented by frogs , crayfish and crabs ? yes NULL easy S08_set1_a7
penguin Do penguins feed on krill? yes easy easy S08_set1_a3
penguin Do penguins feed on krill? yes easy easy S08_set1_a3
penguin What is the largest living species of penguin? Emperor Penguin easy medium S08_set1_a3
penguin What is the largest living species of penguin? the Emperor Penguin (Aptenodytes forsteri) easy medium S08_set1_a3
penguin Do penguins live almost exclusively in the Southern Hemisphere? yes easy easy S08_set1_a3
penguin Do penguins live almost exclusively in the Southern Hemisphere? yes easy easy S08_set1_a3
penguin What is "tobogganing"? when penguins slide on their bellies across the snow medium hard S08_set1_a3
penguin What is "tobogganing"? Tobogganing is when penguins slide on their bellies across the snow. medium hard S08_set1_a3
penguin Why are penguins countershaded? for camouflage medium hard S08_set1_a3
penguin Why are penguins countershaded? for camouflage medium hard S08_set1_a3
penguin Are penguins afraid of humans? no medium medium S08_set1_a3
penguin Are penguins afraid of humans? no medium medium S08_set1_a3
penguin How much time to penguins spend on land? half of their life hard hard S08_set1_a3
penguin How much time to penguins spend on land? They spend half of their life on land. hard medium S08_set1_a3
penguin How many species of penguins are there? between 17 and 20 living species hard medium S08_set1_a3
penguin How many species of penguins are there? Penguin biodiversity varies between 17 and 20 living species, all in the subfamily Spheniscinae. hard hard S08_set1_a3
penguin How are Isabelline penguins different from most penguins? they have brown rather than black plumage hard hard S08_set1_a3
penguin How are Isabelline penguins different from most penguins? Because they are born with brown rather than black plumage. hard hard S08_set1_a3
penguin Are penguins birds? yes easy easy S08_set1_a3
penguin Are penguins birds? Yes easy easy S08_set1_a3
penguin Do penguins have a better than average sense of hearing for birds? yes easy easy S08_set1_a3
penguin Do penguins have a better than average sense of hearing for birds? No easy easy S08_set1_a3
penguin Are penguins considered "higher waterbirds"? yes easy easy S08_set1_a3
penguin Are penguins considered "higher waterbirds"? Yes easy easy S08_set1_a3
penguin What order do penguins belong to? Sphenisciformes medium medium S08_set1_a3
penguin What order do penguins belong to? Sphenisciformes medium medium S08_set1_a3
penguin What is the largest living species of penguin? Emperor Penguin medium medium S08_set1_a3
penguin What is the largest living species of penguin? Emperor medium medium S08_set1_a3
penguin How tall were the tallest prehistoric penguins? 1.80 meters medium medium S08_set1_a3
penguin How tall were the tallest prehistoric penguins? as tall as an adult human medium hard S08_set1_a3
penguin What makes penguins so agile in the water? Their wings have become flippers hard hard S08_set1_a3
penguin What makes penguins so agile in the water? Smooth plumage preserves a layer of air, ensuring buoyancy, wings are flippers hard hard S08_set1_a3
penguin Why do penguins "tobaggan"? It conserves energy while moving quickly hard hard S08_set1_a3
penguin Why do penguins "tobaggan"? Conserves energy while moving quickly hard hard S08_set1_a3
penguin Who spend half of their life on land and half in the oceans? Penguins NULL medium S08_set1_a3
penguin What is also the distance that Antarctic tourists are told to keep from penguins? 3 meters NULL medium S08_set1_a3
penguin What have become flippers, useless for flight in the air? Penguins' wings NULL medium S08_set1_a3
penguin What happens when mothers lose a chick? They sometimes attempt to "steal" another chick. NULL medium S08_set1_a3
penguin Is it true that each penguin gets a turn in the center? Yes NULL easy S08_set1_a3
penguin Are all penguins countershaded? Yes NULL easy S08_set1_a3
penguin Are penguins astonishingly agile? In the water they are. NULL easy S08_set1_a3
penguin Are penguins at risk? Yes NULL easy S08_set1_a3
penguin Is it also possible that penguin comes from the Latin pinguis , fat ? Yes NULL easy S08_set1_a3
penguin Have penguins an average sense of hearing for birds ? Yes NULL easy S08_set1_a3
penguin Can larger penguins dive deep in case of need ? Yes NULL easy S08_set1_a3
penguin Is the smallest penguin species the Little Blue Penguin -LRB- also known as the Fairy Penguin -RRB- , which stands around 40 cm tall -LRB- 16 in -RRB- and weighs 1 kg -LRB- 2.2 lb -RRB- ? Yes NULL easy S08_set1_a3
penguin Is it not even known whether the gigantic palaeeudyptines constitute a monophyletic lineage , or whether gigantism was evolved independently in a much restricted Palaeeudyptinae and the Anthropornithinae ? It is not even known. NULL medium S08_set1_a3
penguin Is the largest living species the emperor penguin -LRB- aptenodytes forsteri -RRB-? Yes NULL easy S08_set1_a3
penguin Is the smallest penguin species the little blue penguin -LRB- also known as the fairy penguin -RRB- , which stands around 40 cm tall -LRB- 16 in -RRB- and weighs 1 kg -LRB- 2? Yes NULL easy S08_set1_a3
penguin What happened in a region not quite 2000 km south of the equator 35 mya? At least one giant penguin. NULL medium S08_set1_a3
polar_bear What is the last word on the page? Connecticut easy too easy S08_set1_a4
polar_bear What is the last word on the page? (SSN-22) easy too hard S08_set1_a4
polar_bear Is polar bear a mammal? Yes easy easy S08_set1_a4
polar_bear Is polar bear a mammal? Yes easy easy S08_set1_a4
polar_bear Is polar bear a carnivore? Yes easy easy S08_set1_a4
polar_bear Is polar bear a carnivore? Yes easy easy S08_set1_a4
polar_bear What is largest polar bear on record? 2200 lb medium medium S08_set1_a4
polar_bear What is largest polar bear on record? A huge male, allegedly weighing 1002 kg (2200 lb) shot at Kotzebue Sound in northwestern Alaska in 1960. medium medium S08_set1_a4
polar_bear What is polar bear's skin color? white or cream medium easy S08_set1_a4
polar_bear What is polar bear's skin color? Black medium easy S08_set1_a4
polar_bear How long is polar bear's guard hair? 5-15 cm medium medium S08_set1_a4
polar_bear How long is polar bear's guard hair? 5-15 cm medium medium S08_set1_a4
polar_bear What is cause of polar bear's skin diseases? mites or other parasites hard medium S08_set1_a4
polar_bear What is cause of polar bear's skin diseases? Mites or other parasites hard medium S08_set1_a4
polar_bear Why polar bear is a special species? The World Conservation Union listed polar bears as a vulnerable species, one of three sub-categories of threatened status, in May 2006. Their latest estimate is that 7 out of 19 subpopulations are declining or already severely reduced. hard too hard S08_set1_a4
polar_bear What do fossil and DNA evidence tell us? The polar bear diverged from the brown bear about 200 thousand years ago. hard medium S08_set1_a4
polar_bear What do fossil and DNA evidence tell us? The polar bear diverged from the brown bear roughly 200 thousand years ago. hard medium S08_set1_a4
polar_bear Does a polar bear live in the Arctic? yes easy easy S08_set1_a4
polar_bear Does a polar bear live in the Arctic? Yes easy easy S08_set1_a4
polar_bear Is a polar bear white in color? yes easy medium S08_set1_a4
polar_bear Is a polar bear white in color? Yes easy easy S08_set1_a4
polar_bear Is a polar bear at high risk of extinction? yes easy easy S08_set1_a4
polar_bear Is a polar bear at high risk of extinction? Yes easy easy S08_set1_a4
polar_bear How heavy is a male polar bear? 300-600 kg (660-1320 lb) medium medium S08_set1_a4
polar_bear How heavy is a male polar bear? Most adult males weigh 350-650 kg medium too hard S08_set1_a4
polar_bear How heavy was the largest polar bear on record? 1002 kg (2200 lb) medium medium S08_set1_a4

otter Are otters herbivores? No easy hard S08_set1_a7

otter What is the primary item in an otter's diet? Fish. medium medium S08_set1_a7

otter What is the primary item in an otter's diet? fish medium medium S08_set1_a7

otter What is an otter's den called? Holt medium medium S08_set1_a7

otter What is an otter's den called? holt medium medium S08_set1_a7

otter Why is the giant otter becoming increasingly rare? Poaching, habitat loss, and toxins in gold mining. medium hard S08_set1_a7

otter Why is the giant otter becoming increasingly rare? poaching, habitat loss, and the use of mercury in illegal alluvial gold mining medium medium S08_set1_a7

otter How do otters keep themselves warm without blubber? A layer of air trapped in their fur. hard hard S08_set1_a7

otter How do otters keep themselves warm without blubber? a layer of air trapped in their fur hard hard S08_set1_a7

otter How are otters playful animals? The slide down snowy slopes, apparently for sheer enjoyment. hard hard S08_set1_a7

otter How are otters playful animals? They slide repeatedly down snowy slopes for sheer enjoyment. hard hard S08_set1_a7

otter What animals are related to otters? weasels, polecats, and badgers hard hard S08_set1_a7

otter What traps a layer of air, and keeps them dry and warm under water? Long guard hair NULL medium S08_set1_a7

otter The collective noun romp is sometimes used for a group of what? Otters NULL medium S08_set1_a7

otter Is it true that otters eat a variety of fish? yes NULL medium S08_set1_a7

otter Are otters playful animals? yes NULL easy S08_set1_a7

otter Are otters very active? yes NULL easy S08_set1_a7

otter Are male otters dog-otters? yes NULL easy S08_set1_a7

otter An otter 's den is what? A holt NULL medium S08_set1_a7

otter Sea otters eat what? Shellfish and other invertebrates NULL medium S08_set1_a7

otter Is the myth of Otter 's Ransom the starting point of the Volsunga saga ? yes NULL easy S08_set1_a7

otter Are Male otters dog-otters , females are bitches and babies are cubs or pups ? yes NULL easy S08_set1_a7

otter Is an otter 's den called a holt ? yes NULL easy S08_set1_a7

otter Have most otters fish as the primary item in their diet , supplemented by frogs , crayfish and crabs ? yes NULL easy S08_set1_a7

penguin Do penguins feed on krill? yes easy easy S08_set1_a3

penguin What is the largest living species of penguin? Emperor Penguin easy medium S08_set1_a3

penguin What is the largest living species of penguin? the Emperor Penguin (Aptenodytes forsteri) easy medium S08_set1_a3

penguin Do penguins live almost exclusively in the Southern Hemisphere? yes easy easy S08_set1_a3

penguin What is "tobogganing"? when penguins slide on their bellies across the snow medium hard S08_set1_a3

penguin What is "tobogganing"? Tobogganing is when penguins slide on their bellies across the snow. medium hard S08_set1_a3

penguin Why are penguins countershaded? for camouflage medium hard S08_set1_a3

penguin Are penguins afraid of humans? no medium medium S08_set1_a3

penguin How much time to penguins spend on land? half of their life hard hard S08_set1_a3

penguin How much time to penguins spend on land? They spend half of their life on land. hard medium S08_set1_a3

penguin How many species of penguins are there? between 17 and 20 living species hard medium S08_set1_a3

penguin How many species of penguins are there? Penguin biodiversity varies between 17 and 20 living species, all in the subfamily Spheniscinae. hard hard S08_set1_a3

penguin How are Isabelline penguins different from most penguins? they have brown rather than black plumage hard hard S08_set1_a3

penguin How are Isabelline penguins different from most penguins? Because they are born with brown rather than black plumage. hard hard S08_set1_a3

penguin Are penguins birds? yes easy easy S08_set1_a3

penguin Are penguins birds? Yes easy easy S08_set1_a3

penguin Do penguins have a better than average sense of hearing for birds? yes easy easy S08_set1_a3

penguin Do penguins have a better than average sense of hearing for birds? No easy easy S08_set1_a3

penguin Are penguins considered "higher waterbirds"? yes easy easy S08_set1_a3

penguin Are penguins considered "higher waterbirds"? Yes easy easy S08_set1_a3

penguin What order do penguins belong to? Sphenisciformes medium medium S08_set1_a3

penguin What is the largest living species of penguin? Emperor Penguin medium medium S08_set1_a3

penguin What is the largest living species of penguin? Emperor medium medium S08_set1_a3

penguin How tall were the tallest prehistoric penguins? 1.80 meters medium medium S08_set1_a3

penguin How tall were the tallest prehistoric penguins? as tall as an adult human medium hard S08_set1_a3

penguin What makes penguins so agile in the water? Their wings have become flippers hard hard S08_set1_a3

penguin What makes penguins so agile in the water? Smooth plumage preserves a layer of air, ensuring buoyancy, wings are flippers hard hard S08_set1_a3

penguin Why do penguins "tobaggan"? It conserves energy while moving quickly hard hard S08_set1_a3

penguin Why do penguins "tobaggan"? Conserves energy while moving quickly hard hard S08_set1_a3

penguin Who spend half of their life on land and half in the oceans? Penguins NULL medium S08_set1_a3

penguin What is also the distance that Antarctic tourists are told to keep from penguins? 3 meters NULL medium S08_set1_a3

penguin What have become flippers, useless for flight in the air? Penguins' wings NULL medium S08_set1_a3

penguin What happens when mothers lose a chick? They sometimes attempt to "steal" another chick. NULL medium S08_set1_a3

penguin Is it true that each penguin gets a turn in the center? Yes NULL easy S08_set1_a3

penguin Are all penguins countershaded? Yes NULL easy S08_set1_a3

penguin Are penguins astonishingly agile? In the water they are. NULL easy S08_set1_a3

penguin Are penguins at risk? Yes NULL easy S08_set1_a3

penguin Is it also possible that penguin comes from the Latin pinguis , fat ? Yes NULL easy S08_set1_a3

penguin Have penguins an average sense of hearing for birds ? Yes NULL easy S08_set1_a3

penguin Can larger penguins dive deep in case of need ? Yes NULL easy S08_set1_a3

penguin Is the smallest penguin species the Little Blue Penguin -LRB- also known as the Fairy Penguin -RRB- , which stands around 40 cm tall -LRB- 16 in -RRB- and weighs 1 kg -LRB- 2.2 lb -RRB- ? Yes NULL easy S08_set1_a3

penguin Is it not even known whether the gigantic palaeeudyptines constitute a monophyletic lineage , or whether gigantism was evolved independently in a much restricted Palaeeudyptinae and the Anthropornithinae ? It is not even known. NULL medium S08_set1_a3

penguin Is the largest living species the emperor penguin -LRB- aptenodytes forsteri -RRB-? Yes NULL easy S08_set1_a3

penguin Is the smallest penguin species the little blue penguin -LRB- also known as the fairy penguin -RRB- , which stands around 40 cm tall -LRB- 16 in -RRB- and weighs 1 kg -LRB- 2? Yes NULL easy S08_set1_a3

penguin What happened in a region not quite 2000 km south of the equator 35 mya? At least one giant penguin. NULL medium S08_set1_a3

polar_bear What is the last word on the page? Connecticut easy too easy S08_set1_a4

polar_bear What is the last word on the page? (SSN-22) easy too hard S08_set1_a4

polar_bear Is polar bear a mammal? Yes easy easy S08_set1_a4

polar_bear Is polar bear a carnivore? Yes easy easy S08_set1_a4

polar_bear What is largest polar bear on record? 2200 lb medium medium S08_set1_a4

polar_bear What is largest polar bear on record? A huge male, allegedly weighing 1002 kg (2200 lb) shot at Kotzebue Sound in northwestern Alaska in 1960. medium medium S08_set1_a4

polar_bear What is polar bear's skin color? white or cream medium easy S08_set1_a4

polar_bear What is polar bear's skin color? Black medium easy S08_set1_a4

polar_bear How long is polar bear's guard hair? 5-15 cm medium medium S08_set1_a4

polar_bear What is cause of polar bear's skin diseases? mites or other parasites hard medium S08_set1_a4

polar_bear What is cause of polar bear's skin diseases? Mites or other parasites hard medium S08_set1_a4

polar_bear Why polar bear is a special species? The World Conservation Union listed polar bears as a vulnerable species, one of three sub-categories of threatened status, in May 2006. Their latest estimate is that 7 out of 19 subpopulations are declining or already severely reduced. hard too hard S08_set1_a4

polar_bear What do fossil and DNA evidence tell us? The polar bear diverged from the brown bear about 200 thousand years ago. hard medium S08_set1_a4

polar_bear What do fossil and DNA evidence tell us? The polar bear diverged from the brown bear roughly 200 thousand years ago. hard medium S08_set1_a4

polar_bear Does a polar bear live in the Arctic? yes easy easy S08_set1_a4

polar_bear Does a polar bear live in the Arctic? Yes easy easy S08_set1_a4

polar_bear Is a polar bear white in color? yes easy medium S08_set1_a4

polar_bear Is a polar bear white in color? Yes easy easy S08_set1_a4

polar_bear Is a polar bear at high risk of extinction? yes easy easy S08_set1_a4

polar_bear Is a polar bear at high risk of extinction? Yes easy easy S08_set1_a4

polar_bear How heavy is a male polar bear? 300-600 kg (660-1320 lb) medium medium S08_set1_a4

polar_bear How heavy is a male polar bear? Most adult males weigh 350-650 kg medium too hard S08_set1_a4

polar_bear How heavy was the largest polar bear on record? 1002 kg (2200 lb) medium medium S08_set1_a4