You are given a sentence and a question. You're expected to write the correct answer based on the sentence.
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Question: Sentence: Tom throws a rubber ball and an ice ball of equal diameter. Question: Which ball is least likely to break?

Answer: Rubber ball

Question: Sentence: A billiard ball has a greater mass then a basketball. Question: Which ball has a stronger field of gravity?

Answer: billiard ball

Question: Sentence: A salmon swimming through a river experiences low friction, while a salmon swimming through a creek experiences high friction. Question: Which river causes the temperature of the salmon to increase more?

Answer:
creek