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: 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

Ex Output:
A


Ex Input:
Fact1: decomposition increases amount of organic matter in soil, Fact2: Fungi are involved in decomposition, as well., Question: What can help increase the amount of organic matter in soil?  (A) Fungi (B) mussels (C) pine (D) worms (E) animals (F) Enzymes (G) solutes (H) trees

Ex Output:
A


Ex Input:
Fact1: absorbing sunlight causes objects to heat, Fact2: Heat transfer always occurs from warm to cool., Question: What can cause cool objects to warm up? (A) absorbing sunlight (B) absorbing nutrients (C) absorbing moisture (D) kinetic energy (E) electromagnetic energy (F) absorbing personality (G) energy of moving objects (H) water vapor

Ex Output:

A