Input: Identify the most salient words:

walkers approaching the point on the summit

Output: approach
summit
walker

Input: Identify the most salient words:

color seamless pattern of flower pots with flowers in the style of children .

Output: color
flower
pot

Input: Identify the most salient words:

fish washed up on the beach

Output: beach
fish
wash

Input: Identify the most salient words:

A clock on a stone building and part of the sky.

Output:
building
part
sky