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").

Ex Input:
Fact1: insect bites cause harm to living things, Fact2: Iguanas are a lot like dogs, people and other living things., Question: What can an insect to do cause harm to people? (A) humans (B) Injury (C) Bite an iguana (D) Bite a dog (E) deadly (F) Bite (G) death (H) Bite an insect

Ex Output:
F


Ex Input:
Fact1: Most modern gymnosperms are trees with woody trunks., Fact2: Gymnosperms are the plants that are known as evergreens., Question: What trees have woody trunks? (A) trees (B) vegetation (C) evergeeen (D) more abundant (E) it needs them (F) graptolites (G) Leeuwenhoek (H) cacti

Ex Output:
C


Ex Input:
Fact1: Annelids are worms such as the familiar earthworm., Fact2: Earthworms are invaluble for soil health., Question: What are invaluable for soil health? (A) bacteria (B) annelids (C) sharks (D) Exfoliation (E) bioaerosols (F) plankton (G) evaporation (H) sunlight

Ex Output:

B