The input contains 3 blocks in 1 stacks. From left to right:
- Stack 1 has 3 level. From bottom to top: level 1 has an red block, level 2 has an blue block, level 3 has an orange block,
As such, for the question "What is the color of the block at stack 1, level 3?", the correct answer is "<Output> orange".
<Output> orange