Input: Identify the most salient words:

love the black dress on the left

Output: dress
left
love

Input: Identify the most salient words:

a complex of farm building on a bright blue sky

Output: building
complex
sky

Input: Identify the most salient words:

ways to beat the heat

Output: beat
heat
way

Input: Identify the most salient words:

us census designated place in the fog

Output:
census
designate
fog
place