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: lakes are formed by precipitation and runoff, Fact2: Runoff from precipitation is a natural part of the water cycle., Question: What are some of the steps that forms a lake? (A) decomposition and respiration (B) storing water (C) photosynthesis and solar energy (D) near the shoreline (E) precipitation and run-off (F) perspiration and excretion (G) The area was once underwater (H) At the peak of a mountain

Ex Output:
E


Ex Input:
Fact1: astronauts require preserved food for extended flights, Fact2: An astronaut is a scientist who is a space explorer., Question: Space explorers require preserved foods for (A) ground training (B) nutrients (C) Dehydration (D) survival (E) long flights (F) short flights (G) Special disposal (H) day trips

Ex Output:
E


Ex Input:
Fact1: Sponges are filter feeders., Fact2: Baleen whales are filter feeders., Question: What eats in a similar way to a baleen whale? (A) paramecium (B) a sponge (C) prokaryotes (D) angiosperm (E) animals (F) weater (G) a producer (H) lynx

Ex Output:

B