Input: Identify the most salient words:

brother hugging sister on the beach

Output: brother
hug
sister

Input: Identify the most salient words:

boats moored in the bay

Output: bay
boat
moor

Input: Identify the most salient words:

close up of bee collecting nectar from a pink flower

Output: close
collect
flower

Input: Identify the most salient words:

australian rules footballer speaks to players during a training session

Output:
footballer
player
session