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: when a river floods , that river deposits soil in flood plains, Fact2: Large streams are rivers ., Question: When this floods, it deposits soil in flood plains? (A) a large stream (B) to move people (C) Great Plains (D) oceans (E) a hydraulic system (F) puddles (G) erosion (H) near the shoreline
A