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: the gravitational pull of the Moon on Earth 's oceans causes the tides, Fact2: Ocean tides enter and leave the Bay twice a day., Question: the gravitational pull of the Moon on Earth 's oceans causes water to enter and leave the bay when (A) H20 (B) seasons (C) weekly (D) daily (E) slow (F) monthly (G) strong (H) annually
A:
D