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: chemical weathering causes iron in rock to oxidize, Fact2: Oxides Oxides Oxides are elements combined with oxygen., Question: Chemical weathering causes iron in rock to combine with what? (A) uranium (B) oxygen (C) cartilage (D) nothing (E) an object (F) vacuum (G) energy (H) heat
answer:
B


question:
Fact1: habitat destruction causes animals to move to find shelter in another habitat, Fact2: All species are threatened due to the destruction of their natural habitat., Question: All species move to find shelter in another what (A) survive (B) streams (C) alluvial (D) habitat (E) coral reef (F) watershed (G) climate (H) loose soil
answer:
D


question:
Fact1: operating an automobile usually requires fossil fuels, Fact2: Car and automobile, for example, are synonyms., Question: What requires fossil fuels? (A) Electric generators (B) learning about dinosaurs (C) walking to school (D) operating most cars (E) biking to work (F) most organisms (G) move to different locations (H) agriculture
answer:

D