Input: Identify the most salient words:

punching hand with a clenched fist aimed directly at the viewer isolated on grey

Output: clench
fist
hand
isolate
punch

Input: Identify the most salient words:

green city save the world with ecology friendly concept

Output: concept
save
world

Input: Identify the most salient words:

bride carries bamboo hoop a light and delicate alternative to a full bouquet .

Output: alternative
bouquet
bride

Input: Identify the most salient words:

the city means different things to different people and has several facets begging to be explored .

Output:
city
explore
thing