What are the keywords in the following sentence? motor boat entering rough sea on the coast
coast, enter, sea

What are the keywords in the following sentence? a wind farm of wind turbines creating green energy
energy, farm, turbine

What are the keywords in the following sentence? amazing shot of lightning hitting a tree
hit, lightning, shot

What are the keywords in the following sentence? the student and teacher are laughing in the classroom
laugh, student, teacher