What are the keywords in the following sentence? the football team paying tribute to their retiring head coach
pay, team, tribute

What are the keywords in the following sentence? pretty girl dressed like ethnicity in fiction
dress, ethnicity, fiction

What are the keywords in the following sentence? this house has an area of square feet of living space
area, house, live, space

What are the keywords in the following sentence? Several airplanes are sitting at gates of an airport.
airplane, airport, gate, sit