Input: Identify the most salient words:

red cliffs flank the blue river of the slot canyon

Output: canyon
cliff
flank
river

Input: Identify the most salient words:

volunteers paint a mural this week as part of the program .

Output: mural
paint
program
volunteer

Input: Identify the most salient words:

the family of politician who works .

Output: family
politician
work

Input: Identify the most salient words:

white clouds float quickly across the blue sky in the summer and sunny day

Output:
cloud
day
sky
summer