What are the keywords in the following sentence? raisins from grapes of colors on a plate
grape, plate, raisin

What are the keywords in the following sentence? a fishing boat at anchor during a winter storm off island on west coast
anchor, boat, storm

What are the keywords in the following sentence? scientists have developed a system that is trying to find the scariest image out there .
find, image, scientist

What are the keywords in the following sentence? a student jogs through campus
campus, jog, student