You will be given a definition of a task first, then an example. Follow the example to solve a new instance of the task.
Formulate questions about the information mentioned in a given passage.

context: A person is trying to roll an apple, a ball, a block, and a bottle.
Solution: What is the person trying to do?
Why? This question can be directly answered from the context.

New input: context: Four balls are dropped. The first is dropped from the height equivalent of a microwave, the second is dropped from the height equivalent of a book, the third is dropped from the height equivalent of a house, and the fourth is dropped from the height equivalent of a mountain.
Solution:
What are the things that are dropped?