Input: Identify the most salient words:

commuters walking over filming location to work in the early morning

Output: commuter
morning
walk
work

Input: Identify the most salient words:

country have been attracting tourists for many years

Output: attract
tourist
year

Input: Identify the most salient words:

protected site leads hikers through transitional landscapes .

Output: hiker
lead
protect
site

Input: Identify the most salient words:

transit vehicle type leave the metro station with audio

Output:
audio
leave
station