What are the keywords in the following sentence? a helicopter sits on the tarmac
helicopter, sit, tarmac

What are the keywords in the following sentence? places of worship is dedicated to deity .
deity, place, worship

What are the keywords in the following sentence? surreal room with wooden ladder and clouds and sky in the ceiling
ceiling, cloud, room

What are the keywords in the following sentence? Several people talking to one another at an event where wine was served.
event, serve, wine