Input: Identify the most salient words:

A jet in flight against a blue sky

Output: flight
jet
sky

Input: Identify the most salient words:

water ripples and buds in dark water of a pond

Output: bud
pond
water

Input: Identify the most salient words:

a soldier guards worshippers in the tomb .

Output: guard
soldier
tomb

Input: Identify the most salient words:

politician greets the crowd as he leaves from embassy

Output:
crowd
embassy
leave
politician