Input: Identify the most salient words:

a plane was late after a bat flew into the aircraft as it was landing

Output: aircraft
land
plane

Input: Identify the most salient words:

flower petals floating in a basin of water

Output: basin
float
water

Input: Identify the most salient words:

Two elephants raising their tusks in the air

Output: air
elephant
tusk

Input: Identify the most salient words:

a map of where government agency advise against travel to

Output:
advise
agency
travel