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: 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
[EX A]: E

[EX Q]: Fact1: Flagella help prokaryotes move., Fact2: Most prokaryotes are unicellular., Question: What helps unicellular organisms move? (A) evaporation (B) bacteria (C) heat energy (D) glucose (E) sweating (F) flagella (G) legs (H) blood
[EX A]: F

[EX Q]: Fact1: Loss of ozone has created an ozone hole over Antarctica., Fact2: Ozone Loss Ozone is produced by intense ultraviolet radiation in the upper stratosphere., Question: ntense ultraviolet radiation in the upper stratosphere has created an ozone hole over where? (A) cloud cover (B) mountains (C) high mountains (D) atmosphere (E) snow (F) Earth (G) the environment (H) Antarctica
[EX A]:
H