What are the keywords in the following sentence? digitally generated video of solar system with sun and planets in a row
planet, sun, system

What are the keywords in the following sentence? military commander handling his troops and preparing for military conflict
commander, conflict, troop

What are the keywords in the following sentence? religious leader holds his pastoral staff as he arrives to celebrate mass .
arrive, celebrate, leader, mass

What are the keywords in the following sentence? male surgeon interacting with a colleague in hospital corridor
colleague, interact, surgeon