Formulate questions about the information mentioned in a given passage.
One example: context: A person is trying to roll an apple, a ball, a block, and a bottle.
Solution is here: What is the person trying to do?
Explanation: This question can be directly answered from the context.

Now, solve this: 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 house.
Solution:
What are the things that are dropped?