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: Odo:  I suggest you carry a combadge with you at all times . Call me at the first sign of trouble .
Quark: What if the first sign is the last sign ?
Odo: You people sell pieces of yourself after you die , do n't you ?
Quark: Yes .
Odo: I 'll buy _ one _ .

pieces