Input: Identify the most salient words:

maps of the roads surveyed

Output: map
road
survey

Input: Identify the most salient words:

by adding long curtains to your bathroom it makes it feel more like a proper room .

Output: add
bathroom
room

Input: Identify the most salient words:

pack these hair extensions for instant length and volume on holiday

Output: extension
length
volume

Input: Identify the most salient words:

avoid frizzy hair with these products

Output:
avoid
hair
product