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").

Ex Input:
Fact1: if heat is conducted to an object then that object will become hot, Fact2: Metals vary in their capacity to conduct heat., Question: What can happen if a metal is heated? (A) change chemical composition (B) refract energy (C) they bend (D) It expands (E) electricity (F) Relieve pain (G) maintains core temperature (H) becomes hot

Ex Output:
H


Ex Input:
Fact1: soil is formed by rocks eroding, Fact2: Rivers erode the rocks they flow over., Question: What is formed by rivers? (A) fish (B) soil (C) rain (D) bamboo (E) spring (F) clouds (G) kayaks (H) NaCl

Ex Output:
B


Ex Input:
Fact1: air pollution can cause the pH of soil to decrease, Fact2: Incineration releases pollutants into the air., Question: What can cause the pH of the soil to increase? (A) incineration (B) dry conditions (C) Greenhouse gases (D) clean water (E) contamination (F) air (G) erosion (H) clean rain

Ex Output:

A