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").

Q: Fact1: cooking food requires adding heat energy, Fact2: Heat is essentially the source of energy., Question: Doing what to food requires adding the source of energy? (A) burning (B) burying (C) degrading (D) hydration (E) boiling (F) Light (G) sharing (H) cooking

A: H
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Q: Fact1: a seismometer is used to measure the strength or magnitude of an earthquake, Fact2: Earthquakes are measured on a scale of 1 to 10., Question: How do we grade earthquakes (A) Seisometers (B) Cladistics (C) feedback (D) Measuring the ground (E) Check out the sky (F) classified (G) Taking temperature (H) the Himalayas

A: A
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Q: Fact1: Lymphocytes are the key cells involved in the immune response., Fact2: Lymphocytes are produced in the bone marrow., Question: where are the key cells involved in the immune response made? (A) bloodstream (B) humans (C) mitosis (D) bone marrow (E) organs (F) Epidermis (G) critical organs (H) stomach

A:
D
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