Input: Identify the most salient words:

a domestic boar or pig wallowing in mud at an organic free range pig farm

Output: farm
mud
wallow

Input: Identify the most salient words:

a man comforts a student outside a school .

Output: comfort
school
student

Input: Identify the most salient words:

many white sheep lying on a rocky ground

Output: ground
lie
sheep

Input: Identify the most salient words:

hiking trail on a sunny day

Output:
day
hike
trail