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: Ozone depletion results in higher levels of UV radiation reaching Earth., Fact2: Birds live on Earth, trees live on Earth., Question: what results in higher levels of uv radiation reaching the place birds and trees live? (A) emissions (B) earthquakes (C) oxidation reaction (D) ozone depletion (E) global warming (F) important habitats (G) fairies (H) the ozone layer strengthening

Ex Output:
D

Ex Input:
Fact1: the Earth being tilted on its rotating axis causes seasons, Fact2: Weather changes from season to season., Question: Which natural occurrence comes from Earth being tilted on a rotating axis? (A) Changing weather (B) graptolites (C) permineralization (D) Movement (E) subtropical (F) dry and hot (G) swamp vegetation (H) global warming

Ex Output:
A

Ex Input:
Fact1: Amphibians have sense organs to smell and taste chemicals., Fact2: Lizards use their tongues as sense organs., Question: What are lizards able to use their tongues to do? (A) taste (B) arrange their nest (C) noise (D) measure prey length (E) smell the color of organs (F) snort (G) breathe (H) vibrate

Ex Output:
A