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").

Fact1: Flagella help prokaryotes move., Fact2: Flagella and cilia are similar in structure., Question: What helps movement? (A) stamina (B) fur (C) cilia (D) hair (E) kinetic (F) nerves (G) motors (H) elastic
C

Fact1: lungs are used for breathing air by land animals, Fact2: Elephants are the largest animals on land., Question: What uses lungs for breathing air? (A) rocks (B) some mammals (C) Frogs (D) monotremes (E) humans (F) bacteria (G) elephants (H) oak trees
G

Fact1: plasma is formed by electrons separating from atoms in stars, Fact2: Metal atoms are ionized in an intense plasma., Question: what does plasma ionize? (A) Joules (B) metal (C) coal (D) SO2 (E) homes (F) matter (G) Energy. (H) energy

B