Input: Identify the most salient words:

Commuter train crossing waterway on bridge in city.

Output: bridge
city
cross
waterway

Input: Identify the most salient words:

masks on sale at the markets

Output: market
mask
sale

Input: Identify the most salient words:

giant statues guard the entrance of tourist attraction

Output: attraction
entrance
statue

Input: Identify the most salient words:

Large elephant with partially sawed off tusk eating on leaves.

Output:
elephant
saw
tusk