Given the task definition and input, reply with output. 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: a solar panel converts sunlight into electricity, Fact2: Energy of sunlight is more concentrated near the equator., Question: Where would solar panels be most effective? (A) Near the equator (B) to move people (C) mouth of rivers (D) Southern Hemisphere (E) near the shoreline (F) Near the Tropic of Cancer (G) Nurseries of the ocean. (H) Northern Hemisphere
A