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: All plants have a characteristic life cycle that includes alternation of generations., Fact2: Plants have chlorophyll and an alternation of generations ., Question: What have chlorophyll and a characteristic life cycle? (A) vases (B) Fungi (C) models (D) Trees (E) Conifers (F) plants (G) seeds (H) greenhouses
Example Output: F

Example Input: Fact1: Plants that shed their leaves seasonally each year are called deciduous plants., Fact2: Shade trees can be deciduous., Question: What can shed their leaves? (A) rabbit (B) Power plants (C) insects (D) swamp vegetation (E) mammals (F) Shade trees (G) animals (H) Most plants
Example Output: F

Example Input: Fact1: Sperm had to swim from male to female reproductive organs for fertilization., Fact2: What semen is, is a carrier for the sperm contained in it., Question: What goes from male to female reproductive organs for fertilization? (A) embryos (B) salmon (C) semen (D) fusion (E) Flowers (F) seeds (G) Energy (H) eggs
Example Output:
C