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: The kid on the street is ____ soccer
Example solution: playing
Example explanation: This is the original sentence 'The kid on the street is playing soccer' So, we have correctly predicted the missing word to be 'soccer'

Problem: the five thirty train has been in and gone half an hour ago answered that brisk official but there was a passenger dropped off for you a little girl she's sitting out there on the shingles i asked her to go into ____ ladies waiting room but she informed me gravely that she preferred to stay outside
Solution: the