instruction:
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.
question:
Fact: crocodiles have good eyesight and a keen sense of smell. 
Question: What has good eyesight and a keen sense of smell?
answer:
crocodiles.


question:
Fact: sharks have tails. 
Question: What has a tail?
answer:
sharks.


question:
Fact: scraping oneself on a contaminated object may cause an area swollen with pus. 
Question: scraping oneself on a contaminated object may cause what?
answer:

an area swollen with pus.