article_snippet.sent: The instructor had three students, one of three students was Bethany.
article_snippet.sent: One of three students decided The instructor did not want to dive
article_snippet.sent: but We have not got the exact reasons why, so The instructor remained on the boat which left the instructor, Bethany and one of The instructor friends.
article_snippet.sent: At some point, The instructor lost sight of Bethany, then realised The instructor could not locate The instructor, returned the other student to the surface, sought help and went back down, presumably with some other people to help.
article_snippet.sent: some other people were meant to be diving to a depth of 5 metres.