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: Riley:  We 've been tear - assing through every jungle from Paraguay up , taking out nests . As soon as we put one Suvolte down , a dozen take its place . They 're breeders , Buffy . One turns into _ ten _ , ten becomes a hundred . This gets out of hand and there 's a war with humans ? Humans are gon na lose .
Buffy: So they 're like really mean tribbles . Sorry , I 've been dealing with these , these geeks . It's - it 's a whole thing .

Suvolte