What are the keywords in the following sentence? a bunch of stairs sit over a train
bunch, sit, stair

What are the keywords in the following sentence? A television mounted on a wall with cords behind it.
mount, television, wall

What are the keywords in the following sentence? Motorcycle parked in the parking lot of asphalt.
asphalt, motorcycle, park

What are the keywords in the following sentence? sunrise over a city from our balcony
balcony, city, sunrise