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: acid rain has a negative impact on water quality, Fact2: Sulfur dioxide causes acid rain., Question: What has a negative impact on water quality? (A) Reverse osmosis (B) fossil fuels (C) Fresh water (D) Carbon filter (E) chlorofluorocarbons (F) Sulfur dioxide (G) Pollution (H) harmful substances
F

Fact1: a mirror is used for reflecting light, Fact2: Light seems to travel in rays or beams., Question: what can a mirror be used to reflect? (A) noble gases (B) air particles (C) glass (D) focusing a lens (E) rays or beams (F) photons (G) sun's heat (H) an electron lens
E

Fact1: medicine is used for curing people when they are sick, Fact2: Babies are the MOST inquisitive of people., Question: Medicine is used for doing what to babies when they are sick? (A) Antibiotics (B) killing them (C) sterilized (D) harming them (E) poisoning them (F) Pasteurization (G) some drugs (H) curing them

H