Given a statement and question, generate the answer to the question such that the answer is contained in the statement.

Input: Consider Input: statement: simple green plants play significant roles as food in aquatic ecosystems, question: What kind of ecosystems do simple green plants play a significant role in?

Output: aquatic ecosystems


Input: Consider Input: statement: changing the direction of force applied can make lifting metal easier, question: What can change the direction of force applied make?

Output: lifting metal


Input: Consider Input: statement: Ink is used for evading predators by squids., question: Who uses ink for evading predators?


Output: squids