user
It can be made many different ways.  Wars have been started over it.  Almost every country has had this at one point, and you probably have too.  It can be as hotter than 100 degrees and colder than ice.  It is still used, no matter what temperature it is.  What is it?
A: specific
B: mouse
C: tea
D: activity
E: drinks
assistant
<|begin_of_thought|>

Deep Thought is thinking for 7.5 million years.

<|end_of_thought|>

<|begin_of_solution|>

C

<|end_of_solution|>