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: Sperm had to swim from male to female reproductive organs for fertilization., Fact2: Gametes, the sperm and eggs, are produced by mitosis in the haploid gametophyte., Question: What swims from male to female reproductive organs for fertilization? (A) gametes (B) barnacles (C) fur seals (D) eggs (E) offspring (F) haploid (G) seeds (H) diploid
[EX A]: A

[EX Q]: Fact1: an egg requires warmth to survive, Fact2: First the frog lays the eggs, then the warmth from the sun makes the eggs hatch into baby tadpoles., Question: what keeps eggs warm? (A) ice (B) hair (C) wool (D) bears (E) fur (F) sun (G) moss (H) sand
[EX A]: F

[EX Q]: Fact1: Female gametophytes produce eggs inside the ovaries of flowers., Fact2: Gametophytes are the parent of the baby fern., Question: What is produced by female flower parents in the ovaries? (A) seeds (B) pollen (C) sugar (D) abcess (E) honey (F) H 2 O (G) eggs (H) nectar
[EX A]:
G