Input: Identify the most salient words:

construction of the new building of reinforced concrete and blocks

Output: block
building
construction

Input: Identify the most salient words:

Lunch is served with a huge platter of cheese fries.

Output: fry
platter
serve

Input: Identify the most salient words:

Someone shifts her gaze to someone, who flashes a grin.

Output: gaze
grin
shift

Input: Identify the most salient words:

a bunch of girls learning how to dance ballet.

Output:
ballet
dance
learn