Teacher:In this task, you will be presented with a question having multiple possible answers in Japanese language. And you should choose a most suitable option out of "A", "B", "C", "D", and "E" based on your commonsense knowledge.
Teacher: Now, understand the problem? Solve this instance: Question: ジョンは流れる液体H2Oに囲まれた小さな島に住んでいた。 
 Options: A 日本 B ミシシッピ川 C ハワイ D 太平洋 E 水辺 
Student:
B