Input: Identify the most salient words:

chemical formula that shows the total number and kinds of atoms in a molecule

Output: atom
kind
number

Input: Identify the most salient words:

fans sing during a match as part .

Output: match
part
sing

Input: Identify the most salient words:

silhouettes of young couple practicing yoga on the beach during sunset

Output: beach
practice
sunset
yoga

Input: Identify the most salient words:

a tropical storm lashes a city with high winds and rain

Output:
city
rain
storm
wind