Input: Identify the most salient words:

Pair of cross country skiers on well traveled snow field near buildings.

Output: building
field
pair

Input: Identify the most salient words:

A woman is eating a hotdog with ketchup on it.

Output: eat
hotdog
ketchup

Input: Identify the most salient words:

A blue and yellow train on tracks next to two white vans.

Output: track
train
van

Input: Identify the most salient words:

A group of people covered in sheets are dancing and singing using puppets.

Output:
cover
puppet
sheet