Predict the next word given an incomplete English Sentence.

Example Input: and since sitting and waiting was the only thing to do just then she sat and waited with all her might and main matthew encountered the stationmaster locking up the ticket
Example Output: office

Example Input: there's never anybody to be had but those
Example Output: stupid

Example Input: isn't that beautiful what did that tree leaning out from the bank all white and lacy make you think of she asked well now i dunno said matthew why
Example Output:
a