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: Lakes are generally bigger and deeper than ponds., Fact2: Then there's the big lake, Lake Superior, with all it's bays and tributaries., Question: areas with bays and tributaries are bigger and deeper than what? (A) bays (B) feet (C) ponds (D) oceans (E) wetland (F) fens (G) seas (H) deltas
C