Update train_dataset.csv

train_dataset.csv

@@ -14,15 +14,15 @@ What is a black hole?,"A black hole is an extremely dense region with a gravitat
 
 What is the purpose of a telescope?,"A telescope is an Instrument that magnifies distant objects, crucial for observing stars, planets, and other celestial phenomena"
 
-What is the Sun?,"The Sun is the star at the center of our solar system, providing light and heat essential for life on Earth.”
+What is the Sun?,"The Sun is the star at the center of our solar system, providing light and heat essential for life on Earth."
 
-What is the Big Bang theory?,"The leading theory explaining the origin of the universe, proposing it began from a singularity.”
+What is the Big Bang theory?,"The leading theory explaining the origin of the universe, proposing it began from a singularity."
 
-What is an exoplanet?,"Exoplanets are planets located outside our solar system, in the Kuiper belt, or orbiting other stars.”
+What is an exoplanet?,"Exoplanets are planets located outside our solar system, in the Kuiper belt, or orbiting other stars."
 
-What is a meteor shower?,"A meteor shower is the name for an event where numerous meteors are observed radiating from a particular point in the sky.
+What is a meteor shower?,"A meteor shower is the name for an event where numerous meteors are observed radiating from a particular point in the sky."
 
-What is an eclipse?,"An eclipse is when one celestial body moves into the shadow of another, such as solar and lunar eclipses.”
+What is an eclipse?,"An eclipse is when one celestial body moves into the shadow of another, such as solar and lunar eclipses."
 
 Where should I stargaze near San Francisco?,"There are many locations near San Francisco where you can stargaze: 
 Lick Observatory (Mount Hamilton)