What are the keywords in the following sentence? it took firefighters almost a hour to get a fire under control at a house on sunday morning .
control, fire, firefighter, take

What are the keywords in the following sentence? couple having hug in a bathroom at home
bathroom, couple, home

What are the keywords in the following sentence? An older model blue bus with men loading items on top.
bus, item, load, top

What are the keywords in the following sentence? the spacecraft launches on a rocket propelling astronaut toward orbit .
launch, rocket, spacecraft