Detailed Instructions: 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").
Problem:Fact1: Plants are the major producers in terrestrial biomes., Fact2: Biomes are global ecosystems., Question: _ are the major producers in terrestrial ecosystems. (A) Plants (B) flowers (C) phytoplankton (D) leaves (E) bacteria (F) Trees (G) algae (H) grass
Solution:
A