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: Isobel Crawley:  I 'm grateful , but , you see ... when your only child dies , you see , you 're not a mother anymore ... you 're not really anything really and that 's what I 'm trying to get used to .
Lady Edith Crawley: You 're a grandmother , and I know you 're going to be a wonderful _ one _ .

grandmother