What are the keywords in the following sentence? Two plain donuts next to a cup of coffee.
coffee, cup, donut

What are the keywords in the following sentence? tips for choosing a long dress for your party
choose, dress, party

What are the keywords in the following sentence? a helicopter operated by armed force on board the amphibious assault ship
board, force, helicopter

What are the keywords in the following sentence? ships returning following the landings .
follow, return, ship