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: Gymnosperms are vascular plants that produce seeds in cones., Fact2: Gymnosperms are the plants that are known as evergreens., Question: What are vascular plants that produce seeds in cones? (A) evergreens (B) it needs them (C) Leptospirosis (D) epidermal (E) Conifers (F) white (G) Newton (H) more abundant

Ex Output:
A

Ex Input:
Fact1: vein deposits of gold and silver are formed by igneous intrusion, Fact2: Intrusive igneous rocks account for sections of higher elevation., Question: vein deposits of gold and silver are formed where? (A) loose soil (B) aqueous solution (C) graptolites (D) tectonic plates coliding (E) higher elevations (F) mountain sources (G) flow of electrons (H) In sediment

Ex Output:
E

Ex Input:
Fact1: a windmill converts wind energy into electricity primarily by using mechanical energy, Fact2: Windmills are machines operated by windpower., Question: What does windpower get converted into? (A) magnet (B) energy (C) direct energy (D) wind (E) water (F) energy usage (G) electricity (H) animal transport

Ex Output:
G