Q: 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: sunlight and rain can cause a rainbow, Fact2: Rain water contains small particulates and acid., Question: Sunlight and water containing small particulates and acid can cause what? (A) flooding (B) symptoms (C) rainbow (D) erosion (E) Pollution (F) toxins (G) imbalanced (H) disease
A:
C