Write a correct answer to the given question based on its associated fact. Make sure that your answer is contained in the associated fact. Don't be creative and introduce any new word that is not mentioned in the associated fact! Remember that the associated fact has been rearranged to form the question. So, the correct answer words must lie within the associated fact. The correct answer can be a word, phrase, or even a sentence.

Example Input: Fact: claws are used to catch arthropods by some predators. 
Question: what do predators use claws to catch?
Example Output: arthropods.

Example Input: Fact: seismographs measure strength. 
Question: What does a seismometer measure?
Example Output: waves.

Example Input: Fact: Bryophytes can cause chemical weathering. 
Question: What can Bryophytes cause?
Example Output:
chemical weathering.