What are the keywords in the following sentence? A giraffe leaning low to eat grass on the ground
grass, ground, lean

What are the keywords in the following sentence? A single serve cup cake in a white dish.
cake, dish, serve

What are the keywords in the following sentence? engineer testing a robot in controlled environment .
control, environment, robot

What are the keywords in the following sentence? environmentalist at the red carpet during festival .
carpet, environmentalist, festival