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: Some pelycosaurs gave rise to a group of animals called therapsids., Fact2: Pelycosaurs are an important lineage preserved in the fossil record., Question: How do we know the lineage of therapsids? (A) Laboratory (B) dinosaurs (C) prokaryotic cells (D) some anthozoans (E) fossil record (F) oral tradition (G) polygenic (H) calibrated
[A]: E


[Q]: Fact1: sugar causes food to taste sweet, Fact2: Favorite foods are cakes, noodles, rice, eggs and fruits., Question: What tastes sweet due to sugar? (A) diet soda (B) corn (C) ice (D) water (E) apple (F) coffee (G) cake (H) sugar
[A]: G


[Q]: Fact1: a drought can change the color of an environment from green to brown, Fact2: Too little rain causes a drought., Question: Too little of what can change the color of an environment from green to brown? (A) pool water (B) energy (C) bath water (D) Acids (E) algae (F) heat (G) water hose (H) rain
[A]:
H