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: animals require water for survival, Fact2: If water is scarce, animals and plants die., Question: what will plants die without? (A) acid (B) energy (C) phosphorous (D) pollution (E) oxygen (F) photons (G) water (H) rain
G