What are the keywords in the following sentence? city on island floating in water global warming elements of this image are furnished by photo
city, element, furnish, image

What are the keywords in the following sentence? medical team looking at file together at the hospital
file, hospital, look

What are the keywords in the following sentence? A metal tray holding a pizza covered in cheese.
cheese, hold, pizza, tray

What are the keywords in the following sentence? bees collect nectar from the flowers
bee, collect, flower, nectar