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: Prokaryotes are single-celled organisms that lack a nucleus., Fact2: Prokaryotes are usually microscopic and bacteria is an example of a prokaryote., Question: What are single celled organisms that do not have a nucleus? (A) Most plants (B) nucleus (C) ferns (D) fossil fuels (E) bushes (F) Eukaryotes (G) leech (H) bacteria

Ex Output:
H


Ex Input:
Fact1: being burried under soil and mud changes vegetation into peat through extreme heat and pressure in a swamp over a long period of time, Fact2: Wetlands Wetlands are also called swamps or marshes., Question: Buried vegetation in a wetland changes to peat over what? (A) a long period of time (B) The area was once underwater (C) a brief period of time (D) just a day's time (E) Physical weathering (F) It used to be covered by water (G) movements in the earth's crust (H) a quick period of time

Ex Output:

A