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: Cell division is how organisms grow and repair themselves., Fact2: Cell division is by mitosis ., Question: What is required by division? (A) voltage (B) Microscope (C) loose soil (D) Energy. (E) Energy (F) relocation (G) warmth (H) mitosis
[EX A]: H

[EX Q]: Fact1: Secondary meristem is located within and around the vascular tissues., Fact2: Plant tissues are produced from meristems., Question: What has vascular tissue? (A) rocks (B) the Sun (C) trees (D) plants (E) grass (F) Conifers (G) all plankton (H) Oak
[EX A]: D

[EX Q]: Fact1: Mollusks reproduce sexually., Fact2: Clams, oysters and snails are familiar mollusks., Question: How do snails reproduce? (A) Asexually (B) seeds (C) Sexually (D) ligt (E) mechanical (F) Eggs (G) Pollination (H) movement
[EX A]:
C