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: a black hole is formed by a high-mass star collapses, Fact2: Black Holes Black holes are the inevitable conclusion of Einstein's General Theory of Relativity., Question: When do stars fulfill the inevitable conclusion of Einstein's General Theory of Relativity? (A) inactive (B) Winter (C) an object (D) observe it (E) collapse (F) light (G) our star (H) ligt
E

Fact1: a prism is used for refracting light, Fact2: Refraction is the bending of light cause by a speed change when it passes through different media., Question: What aspect of light changes when it passes from air into a prism? (A) power (B) seasons (C) speed (D) energy (E) a wave (F) Joules (G) heat (H) unique
C

Fact1: Reproduction is the process by which organisms give rise to offspring., Fact2: After a six month gestation, a female gives birth to a single offspring, sometimes to twins., Question: Reproduction is the process by which organisms do what? (A) reproduce (B) Move to another area (C) spread flower seeds (D) produce ejaculate (E) find a partner (F) gestate offspring (G) competing for resources (H) sleep in bed

F