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: Maria Del Gado:  What are they ? Bullets ?
Pat Gallagher: No , they 're empty cartridges . They 've been fired .
Maria Del Gado: What can you do with them ? All shells are alike .
Stoney Crockett: Yes , ma'am , but not all guns .
Maria Del Gado: It 's a _ 0.44 _ , no ?
Pat Gallagher: It 's a 0.44 , yes .

guns