What are the keywords in the following sentence? hd video of biological species in grassy field of local park foraging for food .
field, forage, specie

What are the keywords in the following sentence? a relief carving from the ruins
carve, relief, ruin

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 biker parked his bike.
bike, biker, park