Input: Identify the most salient words:

a fishing boat is arriving at the harbour with a catch

Output: arrive
boat
harbour

Input: Identify the most salient words:

A group of cattle grazing in a field near a road.

Output: cattle
field
road

Input: Identify the most salient words:

A tall tower like building behind another building.

Output: build
building
tower

Input: Identify the most salient words:

smiling woman doctor working in medical or biological laboratory typing on computer .

Output:
computer
smile
type