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: Pamela Piggott:  For instance , you need a coffin lined with some sort of metal .
Wendell Armbruster: Zinc . Better get a couple of those .
Carlo Carlucci: I had trouble finding _ one _ !
Wendell Armbruster: Come on . You can dig up a couple of coffins .
Carlo Carlucci: You want second - hand coffins ?

coffin