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").
Q: Fact1: if fossils of a water animal or plant are found in a place then that place used to be covered by water in the past, Fact2: Fossils are the remains of prehistoric life., Question: What being found in a place shows that place used to be covered by water? (A) volcanoes (B) wind (C) plankton and nonliving organic (D) dead organisms (E) marshes and swamps (F) sedimentary rocks (G) dirt (H) remains of prehistoric life
A:
H