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: Ray:  You a dog person ?
Elliot Alderson: Used to have _ one _ .
Ray: Oh , yeah ? What happened to it ?
Elliot Alderson: Do n't have her anymore .

dog