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").

Fact1: Marine species live mainly in shallow coastal waters., Fact2: Killer whales prefer shallow and colder coastal waters., Question: What are killer whales? (A) red and black (B) They have thick fur (C) dangerous (D) sharks (E) deep sea creatures (F) marine species (G) Absorb light (H) animals
F

Fact1: webbed feet are used for moving faster through water by aquatic animals, Fact2: Animals move around, seeking their prey., Question: What do webbed feet help aquatic animals do? (A) rapid expansion (B) root growth (C) Catch prey (D) support (E) Regrows it (F) squeeze (G) Relieve pain (H) improve
C

Fact1: a plant requires sunlight for photosynthesis, Fact2: Ferns are one type of seedless plant., Question: what requires sunlight for photosynthesis? (A) roots (B) rice (C) sugar (D) caterpillars (E) humans (F) thermometer (G) ferns (H) trees

G