Input: Identify the most salient words:

A green bird with a long beak sits on a branch

Output: beak
bird
branch
sit

Input: Identify the most salient words:

biological species is in an alert position on the trunk of a palm tree

Output: position
specie
tree

Input: Identify the most salient words:

an image of an adult brown bear looking down

Output: bear
image
look

Input: Identify the most salient words:

chronic diseases are the leading causes of death and disability .

Output:
death
disease
lead