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: Reproduction is the process by which organisms give rise to offspring., Fact2: Then, the lowest energy offspring are used as parents for the next generation., Question: The next generation of an organism rises via: (A) Plants growth (B) spontaneous generation (C) reproduction (D) The Sun (E) revolution (F) sun's heat (G) heat energy (H) unions

Ex Output:
C


Ex Input:
Fact1: Mollusks live in most terrestrial, freshwater, and marine habitats., Fact2: Interestingly, a squid is also a mollusk., Question: What can live in marine habitats? (A) lizards (B) horses (C) elephants (D) fur seals (E) a fish (F) squids (G) barnacles (H) animals

Ex Output:
F


Ex Input:
Fact1: Echinoderms have a unique water vascular system with tube feet., Fact2: Another group of echinoderms are the echinoids., Question: Which has a unique water vascular system? (A) roots (B) trees (C) Conifers (D) Echinoids (E) fur seals (F) Most plants (G) ferns (H) bushes

Ex Output:

D