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: Captain Dylan Hunt:  If I 'd deployed one Nova bomb , just _ one _ , I could have stopped the Long Night before it began . I did n't . I was standing at the edge of the abyss , and I blinked , and now people like Tiama and Arun pay the price for my hesitation . I wo n't make that mistake twice .
Rev Bem: You committed an act of mercy . You erred on the side of hope , and that is why you will win . There are no stronger weapons than mercy and hope .
Captain Dylan Hunt: Yeah , maybe so , but I would still prefer a platoon of Lancers .

bomb