Datasets:
| The input contains 4 blocks in 4 stacks. From left to right: | |
| - Stack 1 has 1 level.Level 1 has a yellow block. | |
| - Stack 2 has 1 level.Level 1 has a orange block. | |
| - Stack 3 has 1 level.Level 1 has a green block. | |
| - Stack 4 has 1 level.Level 1 has a purple block. | |
| As such, for the question "What is the color of the block at stack 4, level 1?", the correct answer is "<Output> purple". | |
| <Output> purple |