What are the keywords in the following sentence? collegiate gothic structure in the snow .
collegiate, snow, structure

What are the keywords in the following sentence? the dining room looks out on a pond that is frozen in winter
look, pond, room

What are the keywords in the following sentence? sale of plates on the market
market, plate, sale

What are the keywords in the following sentence? A train traveling down tracks next to a bunch of trees.
bunch, track, train, travel, tree