instruction:
In this task, you need to write a topic word from the given fact. The topic word must have at least one word overlap with the given fact. The topic word often involves adding a new word from a related concept. In your topic word, use at least one word from the given fact. Topic words with two or more words work best.
question:
Fact: Blood pH may become unbalanced if the rate of breathing is too fast or too slow.
answer:
blood ph breathing.


question:
Fact: friction causes the temperature of an object to increase.
answer:
friction movement.


question:
Fact: killing microorganisms in food can be used to extend the shelf life of that food.
answer:

freezing food killing microorganisms.


