In this task, you are given a question and a corresponding answer. Your task is to generate a fact statement that is useful in answering the given question.

[EX Q]: Question: which of these could result in a person reaching their destination late? Answer: a road full of ice.
[EX A]: skidding causes speed to decrease

[EX Q]: Question: matter in the liquid phase has what shape? Answer: adaptable.
[EX A]: Matter in the liquid phase has variable shape

[EX Q]: Question: A person needing to cook up a burger, but lacking a grill or fire, can heat burger meat on? Answer: a vehicle engine.
[EX A]:
a car engine is a source of heat