Definition: You are given an English sentence with a blank, and you need to predict the missing word. After completing, the whole sentence should be gramatically correct and non-ambiguous.
Input: so matthew and i have talked it over off and on ever since we thought we'd get a boy matthew is getting up in years you know he's sixty and he isn't so spry ____ he once was his heart troubles him a good deal and you know how desperate hard it's got to be to get hired help
Output:
as