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: Fertilization occurs when sperm swim to an egg inside an archegonium., Fact2: Gametes in males are called sperm, and in women commonly referred to as eggs., Question: What occurs when a male gamete swims to an egg? (A) permineralization (B) competition (C) movement (D) rapid expansion (E) fertilization (F) birth (G) copulation (H) ovulation

Ex Output:
E

Ex Input:
Fact1: a graduated cylinder is used to measure volume of a liquid, Fact2: Volume Volume is a measure of how much space a space figure takes up., Question: What is used to measure how much space a liquid takes up? (A) aerobic capacity (B) a graduated student (C) Water expanding (D) a graduated cylinder (E) body water (F) a scale (G) a granulated cylinder (H) Light passing through water

Ex Output:
D

Ex Input:
Fact1: creating wood-free paper does not require cutting down trees, Fact2: Deforestation happens when people cut down forests or when trees are burned., Question: Creating wood-free paper can avoid what process? (A) Using pulp (B) Dehydration (C) Deforestation (D) erosion (E) Physical weathering (F) Using calender rolls (G) Using chemicals (H) contamination

Ex Output:
C