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.

Example Input: oh there are a lot more cherry trees all in bloom this island is the bloomiest place i just love it already and i'm so glad i'm going to live here i've always heard ____ prince edward island was the prettiest place in the world
Example Output: that

Example Input: there'd be no scope for imagination then would there but am i talking too much people are always telling me i do would you rather i didn't talk if you say so i'll stop i can ____ when i make up my mind to it although it's difficult matthew
Example Output: stop

Example Input: had retired in haste to his club where he was chatting with some friends upon the events which served ____ a subject of conversation for three fourths of that city known as the capital of the world at the precise time when madame danglars dressed in black and concealed in a long veil
Example Output:
as