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: mechanical weathering is when rocks are broken down by mechanical means, Fact2: Pysical weathering is the mechanical breakdown of rocks., Question: What is when rocks are broken down? (A) roof weathering (B) Plant growth is reduced (C) brick weathering (D) Physical weathering (E) remains of prehistoric life (F) at or near the margins (G) home weathering (H) major threat to health

Ex Output:
D


Ex Input:
Fact1: natural disasters can cause animals to leave an environment, Fact2: Animal migration is mystery of nature., Question: Natural disasters can cause  (A) deforestation (B) kill them (C) Pollution (D) disease (E) deadly (F) erosion (G) migration (H) flooding

Ex Output:
G


Ex Input:
Fact1: absorbing energy causes objects to heat, Fact2: If no radiation energy is absorbed, no damage is done., Question: radiation energy causes objects to what (A) rotate (B) rest (C) Injury (D) moves (E) heat (F) burn (G) Rise (H) vibrate

Ex Output:

E