What are the keywords in the following sentence? a soldier walks past a military vehicle on the premises of the airport wednesday
airport, soldier, walk

What are the keywords in the following sentence? bumblebee big flying to the yellow flowers at garden
bumblebee, flower, fly

What are the keywords in the following sentence? tree growing on top of a temple
grow, top, tree

What are the keywords in the following sentence? A train traveling down railroad tracks next to a grassy hillside
hillside, train, travel