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: Temperature falls from lower to higher altitudes., Fact2: If the weather is warm, their temperature rises., Question: What falls from lower to higher altitudes? (A) warm weather (B) sun's heat (C) rainfall (D) heat energy (E) kinetic energy (F) water vapor (G) colder and wetter (H) Greenhouse gasses
[A]: A


[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: Rivers are usually larger than streams., Fact2: Small streams join larger ones and are, themselves, joined by even smaller streams., Question: What joins rivers? (A) vehicles (B) loose soil (C) sandstones (D) ferry (E) trail (F) skyline (G) streams (H) Raft
[A]:
G