Input: Identify the most salient words:

a flock of sheep and goats is moving on a mountain slope

Output: flock
sheep
slope

Input: Identify the most salient words:

A beam of light shines through the window.

Output: light
shine
window

Input: Identify the most salient words:

future performs onstage during day at festival .

Output: festival
future
perform

Input: Identify the most salient words:

A bed with lots of pillows and blankets on top of it.

Output:
bed
blanket
lot
pillow
top