You will be given a definition of a task first, then some input of the task.
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.

Question: After a storm, a glass vial with markings on it can tell? Answer: how wet an area got.
Output:
as the amount of rainfall increases in an area , the amount of available water in that area will increase