Input: Identify the most salient words:

a candle burning at both ends

Output: burn
candle
end

Input: Identify the most salient words:

fungi and moss on the base of a tree

Output: base
moss
tree

Input: Identify the most salient words:

a flight was forced to make an emergency landing after smoke was reported in the cockpit

Output: cockpit
flight
landing
smoke

Input: Identify the most salient words:

teacher at school in the classroom ready for work

Output:
classroom
school
teacher
work