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").
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Question: Fact1: Streams may start with runoff or water seeping out of a spring., Fact2: Streams A stream is a sequence of characters., Question: a sequence of characters may start with runoff or what seeping out of a spring? (A) sodium (B) Joules (C) liquid (D) rivers (E) solutes (F) water (G) rain (H) SO2

Answer: F

Question: Fact1: mechanical weathering is when rocks are broken down by mechanical means, Fact2: Water is a mechanical weathering force., Question: What weathers rocks? (A) soil (B) streams (C) a delta (D) calcite (E) erosion (F) water (G) grass (H) the sun

Answer: F

Question: Fact1: nuclear reactions in stars causes stars to produce light, Fact2: Like the Sun, stars generate light and heat through nuclear fusion., Question: What causes stars to produce light? (A) nucleus (B) energy (C) gases (D) mitosis (E) fusion (F) chemicals (G) fire (H) boiling

Answer:
E