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: conserving water can be used for survival in a dry environment, Fact2: We learned about desert plants and how they adapt themselves to the hot dry desert environment so they can survive., Question: Plants can conserve water in order to survive where? (A) our planet (B) in a vacuum (C) in the desert (D) Earth's atmosphere (E) In the winter (F) in a laboratory (G) on the moon (H) forest is destroyed

Ex Output:
C


Ex Input:
Fact1: a breathing mask is used for keeping harmful particles from entering the respiratory system, Fact2: Pulmonologists treat lungs and respiratory systems., Question: what does a breathing mask keep harmful particles from entering? (A) skin (B) tissue (C) stomach (D) h2o (E) H20 (F) air (G) lungs (H) gas masks

Ex Output:
G


Ex Input:
Fact1: dropping an object into water causes vibrations in the water, Fact2: Fish are attracted by the vibration of the built-in action of the lure., Question: Dropping an object into the water does what? (A) friction (B) Movement (C) Physical weathering (D) attracts fish (E) reduced heat (F) mechanical (G) protect them (H) It gets heated up

Ex Output:

D