Formulate questions about the information mentioned in a given passage.

Input: Consider Input: context: A brick, a microwave, an apple, and an egg moving at identical speeds each collide with a static hockey puck.

Output: What are the things that are moving at identical speeds?


Input: Consider Input: context: A person is trying to stack flowers, eggs, books, and balls.

Output: What are the things that the person is trying to stack?


Input: Consider Input: context: A person is trying to roll an apple, a block, a box, and a microwave.


Output: What are the things that the person is trying to roll?