Input: Identify the most salient words:

learn important criteria to choose an apple tree for your yard

Output: choose
criterion
learn
tree
yard

Input: Identify the most salient words:

a city sticking up over the trees

Output: city
stick
tree

Input: Identify the most salient words:

fans let off yellow smoke bombs during the clash

Output: clash
fan
let

Input: Identify the most salient words:

i want this in a poster or shirt or something .

Output:
poster
shirt
want