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.

Input: Consider Input: Question: School children often play a musical instrument by? Answer: sweeping thumb across elastic band over a beverage carton.

Output: An example of playing a musical instrument is strumming a guitar string


Input: Consider Input: Question: Which likely increased atmospheric CO2 recently? Answer: motorcycles.

Output: carbon dioxide concentrations in the air have increased over the last decade dramatically


Input: Consider Input: Question: Summer is the season where? Answer: a portion of the planet is in closer proximity to the sun.


Output: summer is when a hemisphere is tilted towards the sun