Input: Identify the most salient words:

sun rising in the sky

Output: rise
sky
sun

Input: Identify the most salient words:

singer performs at a concert for folk rock artist at festival

Output: concert
festival
perform
singer

Input: Identify the most salient words:

delays were minimal today after a snake was halted entering a plane on the tarmac

Output: halt
plane
tarmac

Input: Identify the most salient words:

a commemorative statue was installed on the campus .

Output:
campus
instal
statue