What are the keywords in the following sentence? work of fiction and other essays in media genre
fiction, genre, work

What are the keywords in the following sentence? the nomadic couple have already visited and us state .
couple, state, visit

What are the keywords in the following sentence? a day spent in this zen sun room will have you feeling relaxed in no time .
feel, room, time

What are the keywords in the following sentence? high angle view of farmers harvesting rice in the fields by machine .
farmer, field, machine, rice