Input: Identify the most salient words:

flying in space to the galactic nebula

Output: fly
nebula
space

Input: Identify the most salient words:

Some giraffes are standing in the wild of no where.

Output: giraffe
stand
wild

Input: Identify the most salient words:

girl paddling canoe on a lake as the sun rises

Output: canoe
lake
paddle
rise
sun

Input: Identify the most salient words:

astronomical observatory has captured the deepest view of the universe yet achieved

Output:
capture
observatory
universe
view