What are the keywords in the following sentence? passenger sitting in a carriage at the subway station
carriage, passenger, sit

What are the keywords in the following sentence? A train traveling along a track near buildings.
building, track, train, travel

What are the keywords in the following sentence? mostly old roses grow in the garden
garden, grow, rose

What are the keywords in the following sentence? A highly decorated brown vase has a horse on it.
decorate, horse, vase