Input: Identify the most salient words:

A pizza is topped with ham, pineapple, mushrooms, and extra cheese.

Output: cheese
ham
mushroom
pizza

Input: Identify the most salient words:

the leaves of biological species turn color from green to yellow in the autumn

Output: autumn
leave
specie

Input: Identify the most salient words:

commuters were caught unawares by the heavy rain on monday .

Output: catch
commuter
rain

Input: Identify the most salient words:

thick rainy clouds moves over the pedestrian bridge

Output:
bridge
cloud
move