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: Biodiversity increases the productivity and stability of ecosystems., Fact2: Ecotourism, on the other hand, can help to conserve biodiversity., Question: What increases the stability of ecosystems? (A) overpopulation (B) water consumption (C) loose soil (D) Quality of life (E) agriculture (F) deforestation (G) ecotourism (H) trees

Output: G


Input: Consider Input: Fact1: Flowers produce spores that develop into gametophytes., Fact2: Tulips are heavy flowers., Question: What produces spores that develop into gametophytes? (A) humans (B) cacti (C) bushes (D) elephants (E) orchids (F) tulips (G) plants (H) dolphins


Output: F