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.
Example solution: What is the person trying to do?
Example explanation: This question can be directly answered from the context.

Problem: context: A person is trying to stack flowers, eggs, books, and lamps.

Solution: What are the things that the person is trying to stack?