What are the keywords in the following sentence? The bathroom with dual sinks has a checkered tile floor.
bathroom, checker, floor, sink

What are the keywords in the following sentence? Cars travel down an interstate highway on the way to Baltimore and Washington.
highway, travel, way

What are the keywords in the following sentence? ideas for creative use of wooden pallets in the garden
garden, idea, use

What are the keywords in the following sentence? car that will try to travel around continent on a single tank of fuel
car, continent, travel