What are the keywords in the following sentence? A train traveling down a track in the country.
country, train, travel

What are the keywords in the following sentence? A man making faces at a wall of cuckoo clocks
clock, face, wall

What are the keywords in the following sentence? A narrow gap between two buildings with a clock tower in the middle
building, middle, tower

What are the keywords in the following sentence? structure looking out over a city in the morning .
look, morning, structure