Given the task definition, example input & output, solve the new input case.
Formulate questions about the information mentioned in a given passage.
Example: context: A person is trying to roll an apple, a ball, a block, and a bottle.
Output: What is the person trying to do?
This question can be directly answered from the context.

New input case for you: 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 mountain, the third is dropped from the height equivalent of a book, and the fourth is dropped from the height equivalent of a car.
Output:
What are the things that are dropped?