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").

Input: Consider Input: Fact1: the Himalayas were formed by rock folding, Fact2: Movements in the earth's crust have folded and cracked the older rocks., Question: the Himalayas were formed from older what (A) soils (B) plates (C) rivers (D) rock (E) eras (F) meadows (G) dirt (H) plains

Output: D

Input: Consider Input: Fact1: pollutants have a negative impact on the environment, Fact2: Environment and Health Environment and Health All living things depend on their environment., Question: pollutants have a negative impact on all what (A) tractors (B) circulatory systems (C) near the shoreline (D) living things (E) Electrical energy (F) pavement (G) potholes (H) important habitats

Output: D

Input: Consider Input: Fact1: skin is used for protecting the body from harmful substances, Fact2: Natural toxins can be harmful too., Question: What organ in the body can protect you from toxins? (A) cells (B) gills (C) HIV (D) skin (E) immune (F) rabies (G) lungs (H) Herpes
Output: D