instruction:
Given a statement, generate a question such that the answer is contained in that statement.
question:
Sharks are excellent predators thanks to their teeth.
answer:
What are excellent predators thanks to their teeth?


question:
optical instruments help explain the natural world
answer:
What help explain the natural world?


question:
weather refers to the conditions in the layer of gasses that encases the earth
answer:

What refers to the conditions in the layer of gasses that encases the earth?