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: 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
[EX A]: A

[EX Q]: Fact1: a plant requires sunlight to grow, Fact2: Sunlight is turned into energy by plants., Question: Sunlight is made of  (A) Prism (B) lightning (C) colors (D) glass (E) chlorophyll (F) dirt (G) energy (H) photons
[EX A]: G

[EX Q]: Fact1: erosion causes a river to become deeper and wider, Fact2: Fertile topsoil is then lost in erosion., Question: Deepening rivers cause (A) relocation (B) the loss of topsoil (C) Plant growth is reduced (D) to move people (E) Physical weathering (F) forest is destroyed (G) Water expanding (H) water conservation
[EX A]:
B