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").
Q: Fact1: dehydrating food is used for preserving food, Fact2: Preservatives Preservatives are required to prevent spoilage., Question: What can prevent food spoilage? (A) prolactin release (B) one celled organisms (C) hydrating food (D) cleaning food (E) airing out food (F) Electric generators (G) a hydraulic system (H) dehydrating food
A:
H