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: Consider Input: Fact1: heat can change the state of matter, Fact2: Heat and temperature are the same thing., Question: What can change the state of matter? (A) temperature (B) color (C) a-a gradients (D) electricity (E) hypothyroidism (F) fossil fuels (G) global warming (H) flavor

Output: A


Input: Consider Input: Fact1: Plants that shed their leaves seasonally each year are called deciduous plants., Fact2: Shade trees can be deciduous., Question: What can shed their leaves? (A) rabbit (B) Power plants (C) insects (D) swamp vegetation (E) mammals (F) Shade trees (G) animals (H) Most plants

Output: F


Input: Consider Input: Fact1: adding salt to a liquid decreases the melting point of that liquid, Fact2: Salt is sodium chloride or NaCl., Question: Adding what decreases the metling point of a liquid? (A) gold (B) Heat energy (C) helium (D) fossil fuels (E) Sodium chloride (F) Calcium carbonate (G) dihydrogen monoxide (H) salinity


Output: E