What are the keywords in the following sentence? A large airplane parked in the airport, boarding passengers.
airplane, board, park, passenger

What are the keywords in the following sentence? parents and students transform the library .
library, student, transform

What are the keywords in the following sentence? view of causes of death going out of the head of a bored attractive bold man geek with glasses
cause, death, geek, head, view

What are the keywords in the following sentence? a close up image of a crow in flight against blue sky
crow, flight, image