What are the keywords in the following sentence? containers are lifted from the stricken container ship .
container, ship, stricken

What are the keywords in the following sentence? insects fly near a white flower .
flower, fly, insect

What are the keywords in the following sentence? A giraffe lowers its head past a fence into a clump of tall grasses to eat.
clump, eat, giraffe, grass

What are the keywords in the following sentence? A baby elephant is nursing from the mother in a zoo.
elephant, mother, nurse