Definition: 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").
Input: Fact1: if an object in a fluid is more dense than that fluid then that object will sink in that fluid because of gravity, Fact2: For most purposes, Newton's law of gravity is extremely accurate., Question: if an object in a fluid is more dense then it will sink due to whose law? (A) Newton (B) density (C) forces (D) heat (E) similar (F) salinity (G) friction (H) power
Output:
A