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").

[Q]: Fact1: shelter is used for protection by animals against weather, Fact2: Caves or rock overhangs provide shelter., Question: What do animals find protection from when using rock overhangs? (A) sun's heat (B) insects (C) weather (D) erosion (E) rivers (F) bats (G) wind (H) the sun
[A]: C


[Q]: 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
[A]: E


[Q]: Fact1: ice wedging is when ice causes rocks to crack by expanding in openings, Fact2: Ice wedging is the most important form of mechanical weathering., Question: When ice causes rocks to crack by expanding in openings, what is this called? (A) In the winter (B) smoking (C) icing (D) fissures of hot, acidic water (E) mechanical weathering (F) graptolites (G) Inches or fractions of inches. (H) rocking
[A]:
E