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: poisonous darts are used for defense by sea anemones, Fact2: Protection at the gateway is the best defense., Question: What are used as protection by sea anemones? (A) lamphreys (B) poisonous darts (C) tubular organ (D) feed on dead protists (E) coelenterates (F) islets of Langerhans (G) related organisms (H) moisturize their skin
[EX A]: B

[EX Q]: Fact1: glass cause refraction of light, Fact2: Refraction Refraction is the bending of light rays., Question: Glass causes the _ of light (A) intensification (B) bending (C) photons (D) a wave (E) Pollution (F) blocking (G) heat (H) amplification
[EX A]: B

[EX Q]: Fact1: Cytokinesis is the final stage of cell division in eukaryotes as well as prokaryotes., Fact2: Cell division involves a form of mitosis., Question: What is the final stage of mitosis in eukaryotes and prokaryotes? (A) prokaryotic division (B) Leptospirosis (C) it can be seen (D) eukaryotic division (E) rapid expansion (F) They grow better (G) cell movement (H) the stage of citokinesis
[EX A]:
H