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").

Input: Consider Input: Fact1: Roundworms may be free-living or parasitic., Fact2: Roundworms make up the roundworm phylum, Nematoda., Question: What can the phylum Nematoda be? (A) dangerous (B) parasitic (C) horses (D) meiosis (E) more abundant (F) graptolites (G) homogenous (H) phytoplankton

Output: B


Input: Consider Input: 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

Output: B


Input: Consider Input: Fact1: when a cooler object touches a warmer object , thermal conduction occurs, Fact2: Thermal conduction removes heat from the center., Question: what happens when a cooler object touches a warmer object? (A) Temperature changing (B) they die (C) thermometer (D) flow of electrons (E) heat removed from the center (F) matter vibrating (G) h2o loss (H) converting electricity to heat


Output: E