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.

[Q]: Fact: mineral graphite is used for making pencil lead.
[A]: Graphite.


[Q]: Fact: a vehicle is used for travel.
[A]: travel navigation.


[Q]: Fact: better senses have a positive impact on an animal 's survival.
[A]:
animal survival senses.