What are the keywords in the following sentence? dining room of the residence
dining, residence, room

What are the keywords in the following sentence? the bodhi tree under which author found enlightenment
author, enlightenment, tree

What are the keywords in the following sentence? underground station moving stairs with dark mystical lights .
move, stair, station

What are the keywords in the following sentence? aerial shot of the beautiful coast of blue sea and green mountains at day
day, mountain, shot