Input: Identify the most salient words:

clouds in the form of heart pierced by an arrow .

Output: arrow
cloud
heart

Input: Identify the most salient words:

hikers walking on a ridge at sunrise near glaciated peaks

Output: peak
ridge
walk

Input: Identify the most salient words:

buying sweets from a stall

Output: buy
stall
sweet

Input: Identify the most salient words:

the referee of the match in action during the third qualifying round

Output:
action
match
referee