Formulate questions about the information mentioned in a given passage.

Example Input: context: A person is trying to roll a microwave, an egg, a ball, and a bottle.
Example Output: What are the things that a person is trying to roll?

Example Input: context: A person is trying to move a pile of balls, a pile of blocks, a pile of books, and a pile of sugar from one side of a room to the other using only one hand.
Example Output: What are the things that the person is trying to move?

Example Input: context: A brick, a microwave, an egg, and a leaf moving at identical speeds each collide with a static hockey puck.
Example Output:
What are the things that are moving at identical speeds?