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: Ancestors of hagfish are thought to have been the earliest vertebrates., Fact2: Property of ancestors and forefathers can only be legally inherited by sons., Question: Forefathers of what kind of fish are thought to be the earliest vertebrates? (A) hagfish (B) Pelycosaur (C) fish (D) angiosperm (E) adult (F) Therapsids (G) marine (H) aquatic

Output: A

Input: Consider Input: Fact1: if an organism becomes too hot then that organism may die, Fact2: Hot sun can bleach flowers., Question: What can kill flowers? (A) Petals (B) Too much sun (C) cancer (D) Pollination (E) burning (F) dry conditions (G) Pesticides (H) Quality soil

Output: B

Input: Consider Input: Fact1: a battery converts chemical energy into electrical energy, Fact2: If we disconnect the battery, the flow of electrons is no longer driven by the chemical forces in the battery., Question: what produces a flow of electrons (A) direct energy (B) jumping (C) the wire (D) a shoe (E) rays or beams (F) Light (G) a battery (H) energy
Output: G