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: Oliver:  What a beautiful picture .
Alva P. Hartley: Yes , that cost a lot of money . It 's a Vandyke .
Stanley: A what ?
Alva P. Hartley: A Vandyke . You know what a Vandyke is .
Stanley: Oh , yeah . My uncle had _ one _ , but he had to have it shaved off .
Oliver: Shh !
Stanley: What ?
Oliver: Vandyke was a painter , not a beard .

Vandyke