Q: In this task, you are given two facts, and a multiple-choice question. Based on the given facts, answer the question with index of the correct option (e.g, "A").
Fact1: a refrigerator is used for keeping food fresh for a long period of time, Fact2: Fresh food is good., Question: What appliance can keep food good a long time? (A) toaster (B) Fuel cells (C) Cooking (D) a hydraulic system (E) an electric stove (F) oven (G) refrigerator (H) vacuum cleaner
A:
G