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").
--------
Question: Fact1: vinegar can cause harm to the eyes, Fact2: Vinegar is dilute acetic acid., Question: What can acetic acid do to the eyes? (A) treat cataracts (B) harm them (C) Relieve pain (D) Dehydration (E) kill them (F) hydrate them (G) protect them (H) cleanse them

Answer: B


Question: Fact1: soil is formed by rocks eroding, Fact2: Rivers erode the rocks they flow over., Question: What is formed by rivers? (A) fish (B) soil (C) rain (D) bamboo (E) spring (F) clouds (G) kayaks (H) NaCl

Answer: B


Question: Fact1: Caffeine is a central nervous system stimulant., Fact2: Over stimulation can cause sleep problems., Question: What can too much caffeine in your body cause? (A) energy usage (B) Sleep problems (C) Dehydration (D) heart problems (E) sweating (F) cancer (G) slow your body (H) negative

Answer:
B