Input: Identify the most salient words:

athlete during the match between rugby union teams

Output: athlete
match
team

Input: Identify the most salient words:

Some black and brown sheep are in caged pens.

Output: cage
pen
sheep

Input: Identify the most salient words:

an expanse of bluebells behind a bench in the garden

Output: bluebell
expanse
garden

Input: Identify the most salient words:

statue of builder that overlooks a city from near the railway station

Output:
builder
city
overlook
statue