What are the keywords in the following sentence? rows of shipping containers stacked on deck of ship on the open sea
container, sea, ship

What are the keywords in the following sentence? football player smiles during a training session prior to their second leg match .
match, player, session, smile

What are the keywords in the following sentence? a family having lunch at home
family, home, lunch

What are the keywords in the following sentence? designed by famous naval architect and the founder of architect who has had boats built
architect, build, design, founder