Input: Identify the most salient words:

hikers trekking through an alpine meadow in mountains .

Output: hiker
meadow
mountain

Input: Identify the most salient words:

rain clouds gather over lake on the south island

Output: cloud
gather
lake

Input: Identify the most salient words:

images of commuters and trains taken

Output: image
take
train

Input: Identify the most salient words:

football player gets up high to head in the winner

Output:
head
player
winner