Input: Identify the most salient words:

a number of wild elephants are feeding on trees and grass

Output: elephant
feed
tree

Input: Identify the most salient words:

An elephant in an exhibit with his trunk raised towards a tree.

Output: elephant
raise
tree
trunk

Input: Identify the most salient words:

A herd of elephants gather in a place with many trees.

Output: gather
herd
tree

Input: Identify the most salient words:

the butterfly can be seen laying eggs underneath the leaf .

Output:
butterfly
egg
lay