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: Viruses are so small that they can be seen only with an electron microscope., Fact2: Electron microscope is developed in Germany., Question: viruses are so small that they can be seen only with a device developed where? (A) A computer (B) sunlight (C) Light (D) germany (E) retina (F) at home (G) canada (H) taiwan
answer:
D


question:
Fact1: bacteria can cause people to become ill, Fact2: People frequently die of illnesses ., Question: What can cause people to die? (A) viruses (B) Dehydration (C) stars (D) smallpox (E) bacteria (F) clouds (G) flooding (H) Saturn
answer:
E


question:
Fact1: chemical weathering causes iron in rock to oxidize, Fact2: Rust colored residues are due to oxidized iron., Question: What causes rust? (A) a pathogens (B) Roundworms (C) flow of electrons (D) dust (E) thunder (F) an amoebae (G) chemical weathering (H) skin
answer:

G