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: Cancer is a disease that occurs when the cell cycle is no longer regulated., Fact2: Metastatic cancer is cancer that has spread., Question: a disease that can be metastic occurs when the cell cycle is regulated how often? (A) often (B) no less (C) forever (D) Leptospirosis (E) illness (F) heat or cold (G) no longer (H) electrically

Ex Output:
G

Ex Input:
Fact1: Streams may start with runoff or water seeping out of a spring., Fact2: Most water comes from precipitation., Question: What do most streams start with? (A) swamp vegetation (B) heat produced (C) loose dirt (D) Decibels (E) Veins and arteries. (F) matter vibrating (G) visible energy (H) precipitation

Ex Output:
H

Ex Input:
Fact1: global warming is when worldwide temperature increases, Fact2: Global warming blamed on CO2., Question: what is blamed for temperature increases? (A) CFCs (B) HPV (C) soil (D) Cars (E) wind (F) CO2 (G) water (H) nitrogen

Ex Output:
F