What are the keywords in the following sentence? olympic athlete in action during the match against country on saturday .
action, country, match, saturday

What are the keywords in the following sentence? An airplane stopped on the runway to unload passengers.
airplane, passenger, unload

What are the keywords in the following sentence? chapel of the skulls and various long bones decorate the approach to the altar
altar, decorate, skull

What are the keywords in the following sentence? people gather for a mass given by religious leader
gather, leader, mass