Input: Identify the most salient words:

Looking up into a stormy sky at a jet coming in to land

Output: come
look
sky

Input: Identify the most salient words:

field of study is the study of organisms within their environment .

Output: field
organism
study

Input: Identify the most salient words:

a large group shot of all the guests at a wedding on a rooftop

Output: guest
shot
wedding

Input: Identify the most salient words:

life is an ordinary flock of goats and sheeps in the mountains of mountain range

Output:
life
mountain
range