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: moss causes chemical weathering, Fact2: Mosses Mosses are flowerless plants that grow in clumps., Question: What can cause chemical weathering? (A) Calcium carbonate (B) our nearest star (C) global warming (D) sea squirts (E) swamp vegetation (F) single-celled organisms (G) flowerless plants (H) Earthworms

Ex Output:
G


Ex Input:
Fact1: a plants require water for survival, Fact2: Life-long learning is no longer a luxury for the few, but a survival skill for all., Question: Plants require what for life-long learning? (A) Light (B) protein (C) Energy. (D) gametes (E) genes (F) water (G) energy (H) oxygen

Ex Output:
F


Ex Input:
Fact1: freezing causes a solid to form, Fact2: Then liquid freezes to a solid., Question: What can liquid turn into? (A) nitrogen (B) fire (C) solid (D) lipids (E) energy (F) dirt (G) gas (H) A drug.

Ex Output:

C