Input: Identify the most salient words:

A lot of vases varying in size, color and decoration.

Output: color
size
vase

Input: Identify the most salient words:

politician greets a crowd during a visit

Output: crowd
greet
politician
visit

Input: Identify the most salient words:

A cat is relaxing on top of an old television.

Output: cat
relax
top

Input: Identify the most salient words:

healthy heart in the round shape and normal heart beat rhythm

Output:
beat
heart
shape