Input: Identify the most salient words:

camping with kids is among the least expensive and most rewarding ways for families to vacation

Output: camp
kid
vacation

Input: Identify the most salient words:

quarters rear view at sunrise in autumn seen from a public garden

Output: autumn
garden
quarter
sunrise
view

Input: Identify the most salient words:

a lady that is leaning up against the wall

Output: lady
lean
wall

Input: Identify the most salient words:

tree growing from a book

Output:
book
grow
tree