Input: Identify the most salient words:

male farmer checking grapes in vineyard on a sunny day

Output: check
farmer
grape
vineyard

Input: Identify the most salient words:

a giraffe in a field on an overcast day

Output: day
field
giraffe

Input: Identify the most salient words:

A bullet train on rail tracks in the open country.

Output: country
track
train

Input: Identify the most salient words:

styles of denim to wear this fall

Output:
denim
fall
wear