Formulate questions about the information mentioned in a given passage.

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

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

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.

What are the things that the person is trying to move?