Input: Identify the most salient words:

an old lady suffers from a headache while kneeling and working in her garden

Output: garden
lady
work

Input: Identify the most salient words:

polished emblem on the radiator of a classic car

Output: car
emblem
radiator

Input: Identify the most salient words:

The city stopped to look at the man.

Output: city
look
stop

Input: Identify the most salient words:

people and the sky at protected site

Output:
protect
site
sky