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: extreme heat and pressure change rock into metamorphic rock, Fact2: Slate is a metamorphic rock., Question: What rock is formed by extreme heat and pressure (A) erosion (B) crust (C) calcite (D) Slate (E) dead (F) forces (G) fibrous (H) complex

Output: D


Input: Consider Input: Fact1: telephones are used for communication by two people by transmitting sound, Fact2: And the sound of their voice becomes important as well., Question: What is transmitted with telephones? (A) voice (B) copper (C) waves (D) smell (E) cancer (F) energy (G) HIV (H) power

Output: A


Input: Consider Input: Fact1: Marine biomes are found in the salt water of the ocean., Fact2: Estuaries display characteristics of both marine and freshwater biomes., Question: Where are salt and freshwater biomes found? (A) salt water (B) state (C) sea (D) estuaries (E) rivers (F) atlantic ocean (G) Sediment (H) Deposition


Output: D