Input: Identify the most salient words:

large herd of pigs on pasture in the field

Output: field
herd
pasture

Input: Identify the most salient words:

A polar bear and her cub in a cement enclosure.

Output: bear
cub
enclosure

Input: Identify the most salient words:

people with burning incense praying for lucky and happy inside tourist attraction .

Output: burn
incense
pray

Input: Identify the most salient words:

graduate students show off their decorated pumpkins during the halloween party

Output:
decorate
pumpkin
student