Input: Identify the most salient words:

a young man praying as the sun rises over a valley

Output: pray
rise
sun

Input: Identify the most salient words:

people carry posters to support president and politician during a rally

Output: politician
poster
rally

Input: Identify the most salient words:

football meets fashion in those beautiful bags

Output: bag
fashion
meet

Input: Identify the most salient words:

left to right pan of a waterfall .

Output:
leave
pan
waterfall