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").

Q: Fact1: global warming is when worldwide temperature increases, Fact2: Mass extinction occurs in the ice age and global warming periods., Question: When worldwide temperature increases, mass what occurs? (A) extinction (B) deforestation (C) carbon (D) ice age (E) living (F) movement (G) It decreases (H) Pollution

A: A
****
Q: Fact1: the Earth being tilted on its rotating axis causes seasons, Fact2: Spring, summer, autumn, and winter are the seasons of the year., Question: What causes spring, summer, autumn, and winter? (A) meteor showers (B) heat production (C) the sun's energy (D) Generating heat (E) Earth tilted on rotating axis (F) Something with a head, thorax, and abdomen (G) Earth vibrating (H) lunar cycle

A: E
****
Q: Fact1: Coral reefs provide food and shelter to many ocean organisms., Fact2: Coral reefs are formed from coral skeletons., Question: What provides food and shelter to many ocean organisms? (A) It helps them survive (B) Something formed from skeleton (C) sedimentary rocks (D) important habitats (E) Something with a head, thorax, and abdomen (F) it protects them (G) gastropod shells (H) in their habitats

A:
B
****