instruction:
Given a fact, create a question that can be answered using the fact. Construct the question such that it is unambiguous, has a unique answer and the answer can be given using the fact.
question:
Fact: Earth orbiting the Sun causes seasons to change
answer:
Earth orbiting what causes seasons to change?


question:
Fact: as ability to preserve food increases , the ability to transport food increases
answer:
if a student needs to travel with their lunch for long distances, which of these would have the freshest meal?


question:
Fact: microorganisms cause food to spoil
answer:

A team has pizza after a game, and they eat most of it, but leave the rest of the pizza out. The pizza is later inedible because of?