Input: Identify the most salient words:

People hurry past someone as she strides out of the Expo's main entrance and approaches someone.

Output: approach
entrance
hurry

Input: Identify the most salient words:

wall of mold and fungal growth inside an old apartment

Output: growth
mold
wall

Input: Identify the most salient words:

clouds rolling in on the sky

Output: cloud
roll
sky

Input: Identify the most salient words:

a big tall building with a point and a clock

Output:
building
clock
point