instruction:
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").
question:
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
answer:
F

question:
Fact1: Cancer cells divide more often than normal cells, and grow out of control., Fact2: Cancer is an example of a mutation in cells., Question: What divide more often than normal cells, and grow out of control? (A) white blood cells (B) Most plants (C) hair cells (D) skin cells (E) Smoking (F) peachleaf willow (G) mutated cells (H) cigarettes
answer:
G

question:
Fact1: a ruler is used for measuring the length of an object, Fact2: Rulers are divided into inches and fractions of inches., Question: What do you measure in inches and fractions of inches? (A) Axis (B) Time (C) forces (D) Joules (E) Length (F) Weight (G) size (H) feet
answer:
E