Definition: In this task, you will use your knowledge about language (and common sense) to determine what element the marked number refers to. The numbers are marked with two underlines around them, like: _ number _. Your answer should be chosen from the given text, and should not contain other words.
Input: Michael Garibaldi:  You were his professor , what were his grades in sutures ?
Dr. Everett Jacobs: 4
Dr. Stephen Franklin: _ 3.7 _
Dr. Stephen Franklin: What ?
Michael Garibaldi: Ow ! Forget it ! Just make sure my arms are the same length .

grades