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").

[EX Q]: Fact1: Mutations are essential for evolution to occur., Fact2: Mutations are changes in the DNA sequence., Question: What is essential for evolution to occur? (A) Changes in DNA sequences (B) Plant reproduction (C) Natural disasters (D) Gamma radiation (E) biological diversity (F) DNA sequences staying the same (G) the environment (H) that material's properties
[EX A]: A

[EX Q]: Fact1: Tunicates reproduce sexually., Fact2: Bulbs are classifies as tunicate or non-tunicate., Question: How many ways can a bulb reproduce? (A) LEDs (B) Two (C) Many (D) wind (E) well (F) 12 (G) bent (H) tube
[EX A]: B

[EX Q]: Fact1: a plant requires sunlight for photosynthesis, Fact2: Plants feed themselves through the process called photosynthesis., Question: Plants require what in order to feed themselves? (A) Light (B) grain (C) energy (D) Energy. (E) seeds (F) wind (G) sunlight (H) nutrients
[EX A]:
G