Input: Identify the most salient words:

Man playing a musical instrument that looks and sounds similiar to a guitar

Output: instrument
look
sound

Input: Identify the most salient words:

brown bear relaxing on a tree

Output: bear
relax
tree

Input: Identify the most salient words:

some weeks are harder than other weeks when it comes to finding posters .

Output: come
find
poster

Input: Identify the most salient words:

windows in a block of flats lit up at night

Output:
block
flat
night
window