What are the keywords in the following sentence? pulling into train station in the beautiful city
city, pull, station

What are the keywords in the following sentence? View of toilet next to sink with huge mirror above it
mirror, sink, toilet, view

What are the keywords in the following sentence? close up of the light purple flowers of an orchid growing in a field .
close, flower, grow

What are the keywords in the following sentence? a crowd of pilgrims on the deck of their chartered ship
charter, crowd, deck, pilgrim, ship