What are the keywords in the following sentence? an old hedge became an useful space for growing food .
food, grow, space

What are the keywords in the following sentence? A couple of giraffe eating hay from a trough.
couple, eat, giraffe, hay, trough

What are the keywords in the following sentence? i love the scalloped hem and details of this dress .
detail, dress, hem

What are the keywords in the following sentence? job is to make the trains run on time .
run, time, train