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: Ollie:  Would n't you like to buy a Christmas tree ?
First Customer: No thank you .
Ollie: Would n't your husband like to buy _ one _ ?
First Customer: I have no husband .
Stan: If you had a husband would he buy one ?
Ollie: From now on I 'll do the talking !

tree