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 Q]: Fact1: Gymnosperms are vascular plants that produce seeds in cones., Fact2: Plants reproduce by seeds and rhizomes., Question: What do gymnosperms use to reproduce? (A) roots (B) cones (C) ovaries (D) family (E) CO 2 (F) instinct (G) embryos (H) Mitosis
[EX A]: B

[EX Q]: Fact1: a light bulb is used for seeing in the dark, Fact2: Light is emitted by a light bulb., Question: What is required for seeing? (A) dark (B) sun (C) light (D) wind (E) retina (F) eyes (G) photons (H) copper
[EX A]: C

[EX Q]: Fact1: Most fungi get organic compounds from dead organisms., Fact2: Decomposers decay dead organisms or their wastes., Question: Most fungi get organic compounds from what? (A) Exfoliation (B) sunlight (C) litter (D) decomposers (E) burning coal (F) aqueous solution (G) fossil fuels (H) swamp vegetation
[EX A]:
D