Sentence:  During the summer he had tried to repair some of his losses at the track , and the bare trees <WSD>reminded</WSD> him that his pari-mutuel tickets would still be lying , like leaves , in the gutters near Belmont and Saratoga . 
Meaning of the word marked with <WSD> tags:  assist (somebody acting or reciting) by suggesting the next words of something forgotten or imperfectly learned