Input: Identify the most salient words:

think your way out of a broken heart

Output: heart
think
way

Input: Identify the most salient words:

galleries in the museum of modern art

Output: art
gallery
museum

Input: Identify the most salient words:

the full moon is reflected in a surface of water

Output: moon
surface
water

Input: Identify the most salient words:

young couple is resting on the island while on vacation .

Output:
couple
island
vacation