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: carpooling decreases the amount of cars used to travel to a place, Fact2: Carpooling cuts down on congestion and pollution., Question: What decreases when we decrease the amount of cars traveling to one place? (A) Temperature (B) Heart rate (C) Climate change (D) Pollution (E) Clean air (F) forces (G) Burning fossil fuels (H) gene flow
[EX A]: D

[EX Q]: Fact1: friction causes an object to lose energy, Fact2: Objects An object can be one of several things., Question: What does friction cause things to lose? (A) heat (B) moisture (C) toughness (D) Energy. (E) traits (F) light (G) energy (H) cartilage
[EX A]: G

[EX Q]: Fact1: Plants are multicellular eukaryotes with cell walls made of cellulose., Fact2: Plant cell walls are composed primarily of lignin and cellulose., Question: Plants are multicellular eukaryotes with cell walls composed primarily of what? (A) protein (B) plants (C) leaves (D) chemicals (E) Energy. (F) lignin (G) eukaryotes (H) Energy
[EX A]:
F