Input: Identify the most salient words:

road to the mountains through the desert at sky with clouds

Output: cloud
mountain
road
sky

Input: Identify the most salient words:

walkers on the final ridge on their way to the summit

Output: summit
walker
way

Input: Identify the most salient words:

There are three train engines parked on the tracks.

Output: engine
park
track

Input: Identify the most salient words:

seamless pattern with girls on an inflatable pink flamingo in summer of swims and rests .

Output:
flamingo
pattern
rest
summer
swim