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 gas is heated then that gas will expand, Fact2: An increase in temperature causes a gas to expand., Question: what affects a gas? (A) electricity (B) kinetic energy (C) temperature (D) Evaporation (E) salinity (F) Pollution (G) wind (H) magnetism

Ex Output:
C


Ex Input:
Fact1: the looseness of soil has a positive impact on a plant 's roots' growth in that soil, Fact2: Roots gather plant nutrients., Question: What does looseness of soil have an impact on? (A) age of the plant (B) viability of plant (C) important habitats (D) bloom time (E) climate (F) water retention (G) Plants growth (H) genetic diversity

Ex Output:
G


Ex Input:
Fact1: if a planet becomes too hot then that planet cannot sustain life, Fact2: Sunlight passes through the atmosphere to heat the surface of the planet., Question: What can't too much sunlight sustain? (A) heat (B) warmth (C) corn (D) life (E) energy (F) Injury (G) algae (H) biome

Ex Output:

D