instruction:
Given a statement, generate a question such that the answer is contained in that statement.
question:
H2O is needed for all life on the planet.
answer:
What is needed for all life on the planet?


question:
Some arthropods spread disease and destroy crops.
answer:
What type of organisms spread disease and destroy crops?


question:
Admiralty charts are maps that can help understand direction at sea
answer:

What are maps that can help understand direction at sea?