In this task, you are given a question and an answer, you would be asked to create the sentence based on the Question-Answer provided. It should be contained within the Question-Answer provided.

Ex Input:
Question: Why are seeds of a pine cone easily carried by the wind and dispersed? Answer: seeds have wings

Ex Output:
Seeds of a pine cone are easily carried by the wind and dispersed because seeds have wings.


Ex Input:
Question: What do craters and rifts become when the fill with water? Answer: lakes

Ex Output:
Craters and rifts become lakes when they fill with water.


Ex Input:
Question: What type of microscope is used to see extremely small objects? Answer: electron microscope

Ex Output:

A electron microscope is used to see extremely small objects.