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").

Let me give you an example: Fact1: a plant requires sunlight to grow, Fact2: Plants to avoid are fast-growing vines that can take over an area in no time., Question: What requires sunlight in order to take over an area? (A) spores (B) fish (C) plants (D) humans (E) pods (F) Oak (G) opossums (H) coral
The answer to this example can be: C
Here is why: This is a good example. Based on the facts plants require sunlight in order to take over an area.

OK. solve this:
Fact1: Fertilization occurs when sperm swim to an egg inside an archegonium., Fact2: Male gametes are sperm., Question: when fertilization occurs, what swims to an egg inside an archegonium? (A) egg shells (B) male gametes (C) yolk (D) h2o (E) barnacles (F) Something to move (G) pollen (H) flow of electrons
Answer:
B