Input: Identify the most salient words:

a visitor sitting beside statue in courtyard

Output: sit
statue
visitor

Input: Identify the most salient words:

airplane passing through the clouds

Output: airplane
cloud
pass

Input: Identify the most salient words:

boats bobbing on the sea off the coast

Output: boat
bob
sea

Input: Identify the most salient words:

tennis player looks on during day

Output:
day
look
player