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: Squad Leder Lt. J.T. Marsh:  You can review the tapes a thousand times to see what you did , what you should have done . But the only battle that really counts ... is the next _ one _ .

battle