Input: Identify the most salient words:

firefighters discuss tactics whilst taking part in a simulated chemical incident

Output: discuss
incident
simulate
tactic
take

Input: Identify the most salient words:

A giraffe is lying down on the ground.

Output: giraffe
ground
lie

Input: Identify the most salient words:

Citizens participating in a local event.

Output: citizen
event
participate

Input: Identify the most salient words:

the windows in this bathroom are frosted to provide privacy .

Output:
bathroom
privacy
window