You will be given a definition of a task first, then some input of the task.
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: Roots grow in length and width from primary and secondary meristem., Fact2: E.g., growth in plants is mostly confined to meristems., Question: what have roots? (A) plants (B) fungi (C) cacti (D) clothing (E) density (F) grass (G) Conifers (H) h2o
Output:
A