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: mountains are formed by earthquakes, Fact2: For mountains one goes to the Alps., Question: What was formed by earthquakes? (A) deposits (B) coarse grit (C) backbones (D) road bends (E) The Alps (F) pitches (G) waves (H) Otoacoustic

Ex Output:
E


Ex Input:
Fact1: a light bulb converts electrical energy into light energy when it is turned on, Fact2: Fluorescent light bulbs use half the electricity of standard bulbs., Question: What do flourescent bulbs do? (A) Change colors (B) reproduce (C) staying warm (D) dormant state (E) direct energy (F) spread flower seeds (G) use less energy (H) duplicate itself

Ex Output:
G


Ex Input:
Fact1: most canyons are formed by flowing rivers through erosion over long periods of time, Fact2: The Columbia River Gorge is a spectacular river canyon cutting through the volcanic rock of the Cascade Mountain Range., Question: What was formed through erosion over long periods of time? (A) Columbia River Gorge (B) a hydraulic system (C) swamp vegetation (D) Mississippi River delta (E) the Moon (F) Calcium carbonate (G) the Himalayan mountains (H) permineralization

Ex Output:

A