Input: Identify the most salient words:

things to know before rent a boat

Output: boat
know
thing

Input: Identify the most salient words:

morning mist and fog rising from pond and swirling in a vortex

Output: mist
pond
rise

Input: Identify the most salient words:

a ruined abbey and a grade i listed building country

Output: grade
list
ruin

Input: Identify the most salient words:

a primary school is closed after snow

Output:
close
school
snow