Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

[Q]: Thermoregulation is the process when animals maintain an internal temperature.
[A]: What is the process when animals maintain an internal temperature?


[Q]: The action of flushing the toilet, performed multiple times daily, is the single biggest use of water in the home.
[A]: What action, performed multiple times daily, is the single biggest use of water in the home?


[Q]: Four children born at one birth are called quadruplets.
[A]:
What are four children born at one birth called?