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: All chemical reactions require activation energy to get started., Fact2: Chemical changes are a result of chemical reactions., Question: What is required before a chemical change? (A) kinetic energy (B) energy usage (C) activation push (D) activation energy (E) activation switch (F) activation power (G) Burning fuel and air (H) Evaporation
answer:
D


question:
Fact1: if a living thing becomes too cold then that living thing will die, Fact2: Plants are also the oldest living things., Question: what dies if it becomes too cold? (A) plants (B) starfish (C) trout (D) planets (E) trees (F) ice (G) bears (H) clouds
answer:
A


question:
Fact1: Plants exhibit phototropism, or growing toward a light source., Fact2: Green plants use light as their primary energy source., Question: Phototropism means growing toward what? (A) rocks (B) energy (C) retina (D) light (E) heat (F) The Sun (G) plants (H) sand
answer:

D