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").

Example Input: Fact1: Aging is associated with the death of cells., Fact2: When telomeres become too short, the cell dies., Question: What is associated with aging? (A) Extra cells (B) intelligence (C) forest is destroyed (D) Chemical energy (E) Strong cells (F) oxidation reaction (G) Short telomeres (H) massive damage
Example Output: G

Example Input: Fact1: Secondary meristem is located within and around the vascular tissues., Fact2: Plant tissues are produced from meristems., Question: What has vascular tissue? (A) rocks (B) the Sun (C) trees (D) plants (E) grass (F) Conifers (G) all plankton (H) Oak
Example Output: D

Example Input: Fact1: Energy is passed up a food chain or web from lower to higher trophic levels., Fact2: Plants are always at the bottom of the food chain or web., Question: At what trophic level is a plant? (A) lower trophic level (B) higher trophic level (C) the body's largest organ (D) vegetation (E) Something that is self-aware (F) it needs them (G) middle trophic level (H) highest trophic level
Example Output:
A