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").

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
F

Fact1: astronauts require preserved food for extended flights, Fact2: Most of the Shuttle foods are preserved by dehydration, which saves weight and storage space., Question: astronauts require what food for extended flights? (A) Echinoderm. (B) layers of fat (C) dehydrated (D) fresh (E) hand picked (F) nutrients (G) frozen (H) hydration
C

Fact1: harming an animal species has a negative impact on the population size of that species, Fact2: Populations are the sub-units of species., Question: harming an animal species has a negative impact on the what? (A) sub-units of species (B) single-celled organisms (C) diet of species (D) most organisms (E) color of species (F) ancestors of species (G) Abnormal cell growth (H) Males and females

A