Input: Identify the most salient words:

holiday is an event not to be celebrated alone .

Output: celebrate
event
holiday

Input: Identify the most salient words:

diagram of how a septic system works .

Output: diagram
system
work

Input: Identify the most salient words:

a plane slices through a cone and the resulting cross section is a triangle .

Output: cone
plane
result
section

Input: Identify the most salient words:

an exhibition of monumental sculptures of a french sculptor at the garden

Output:
garden
sculptor
sculpture