Input: Identify the most salient words:

The man in blue puts his arms around two men and walk away.

Output: arm
put
walk

Input: Identify the most salient words:

flower on the trunk of a tree

Output: flower
tree
trunk

Input: Identify the most salient words:

i like the idea of several single cakes instead of a larger one .

Output: cake
idea
like

Input: Identify the most salient words:

helicopter taking off after delivering a patient to hospital

Output:
hospital
patient
take