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: Most protists have motility., Fact2: Protists are single-celled microscopic organisms like amoebae., Question: _ have motility (A) amoebae (B) plants (C) properties (D) minerals (E) fungi (F) movement (G) hydration (H) complex
[EX A]: A

[EX Q]: Fact1: Carbon may be stored in sedimentary rock for millions of years., Fact2: Limestone is a type of sedimentary rock., Question: What element can be stored in limestone for millions of years? (A) oxygen (B) Energy (C) matter (D) carbon (E) sodium (F) helium (G) rock salt (H) heat
[EX A]: D

[EX Q]: Fact1: Chemical digestion occurs mainly in the small intestine., Fact2: Chemical digestion breaks complex chemicals into simple ones., Question: Breaking complex chemicals into simple ones in humans occur in what location? (A) Chemical laboratory (B) where insulin is secreted (C) Sports complex (D) 70-75 degrees Fahrenheit (E) around 5 to 27 degrees Celsius (F) Human hands (G) Mainly in small intestine (H) the environment
[EX A]:
G