instruction:
Given a statement, generate a question such that the answer is contained in that statement.
question:
the mass of an object can be used to describe the dimensions of that object
answer:
What can be used to describe the dimensions of an object?

question:
Goats have more than one stomach
answer:
How many stomachs do Goats have?

question:
Non-vascular plants play vital roles as producers in aquatic ecosystems.
answer:
What plants play vital roles as producers in aquatic ecosystems?