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").

Fact1: if fossils of an animal or plant are found in a place then that animal or plant used to live in that place, Fact2: Fossils are the remains of prehistoric life., Question: What found in a place shows that animal or plant used to live in that place? (A) remains (B) Echinoids (C) dirt (D) Earthworms (E) unique (F) an image (G) rocks (H) water
A

Fact1: Caffeine is a central nervous system stimulant., Fact2: Cocaine is a stimulant and increases the user's heart rate and blood pressure., Question: What does caffeine do? (A) Increase fame (B) increases a body's strength (C) Release energy (D) Increase user's heart rate (E) Transfers energy (F) decrease stamina (G) Increase intelligence (H) Increase wealth
D

Fact1: a greenhouse is used to protect plants by keeping them warm, Fact2: Energy from the sun keeps the earth warm, enables plants to grow., Question: Greenhouses are used to what, using the energy from the sun? (A) heat skin (B) evaporation (C) protect plants (D) cool air (E) spread flower seeds (F) important habitats (G) food and shelter (H) reserve water
C