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: condensing means changing from a gas into a liquid by reducing heat energy, Fact2: When a gas condenses to form a liquid it absorbs heat., Question: What does reducing heat change gas into? (A) water (B) solutes (C) energy (D) rock (E) sweating (F) tube (G) liquid (H) freon

Ex Output:
G

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: Male dogs use pheromones in urine to mark their territory., Fact2: Males produce 'pheromones' to attract females., Question: What does the substance that male dogs have in urine to mark their territory do? (A) sweating (B) attract females (C) Release energy (D) repels females (E) attract enemies (F) attract males (G) adding heat (H) dangerous

Ex Output:
B