Input: Identify the most salient words:

graduates bathing in fountains celebrating the graduation from school

Output: celebrate
graduation
school

Input: Identify the most salient words:

boats in the harbour on island

Output: boat
harbour
island

Input: Identify the most salient words:

a newly hatched monarch butterfly hangs on a leaf

Output: butterfly
hang
leaf

Input: Identify the most salient words:

the detailed map with regions or states

Output:
map
region
state