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: a stopwatch is used to measure time, Fact2: Reaction time was measured with a stopwatch in minutes and seconds., Question: What is used to measure minutes? (A) light (B) barometer (C) stopwatch (D) weater (E) thermometer (F) lamphreys (G) feedback (H) sound
answer:
C

question:
Fact1: Cancer is a disease that occurs when the cell cycle is no longer regulated., Fact2: Metastatic cancer is cancer that has spread., Question: a disease that can be metastic occurs when the cell cycle is regulated how often? (A) often (B) no less (C) forever (D) Leptospirosis (E) illness (F) heat or cold (G) no longer (H) electrically
answer:
G

question:
Fact1: a light bulb is used for seeing in the dark, Fact2: An electric light bulb is a light source., Question: A what is used for seeing in the dark? (A) darkness source (B) our nearest star (C) light source (D) shade source (E) energy barrier (F) energy (G) photons (H) blackout curtain
answer:
C