Input: Identify the most salient words:

field of wheat and cloud in the sky

Output: field
sky
wheat

Input: Identify the most salient words:

A baby laughing hysterically and then mom and dad join in.

Output: dad
laugh
mom

Input: Identify the most salient words:

this is an image of a heart shaped cloud in the sky

Output: cloud
heart
shape
sky

Input: Identify the most salient words:

tourists in a street with many restaurants and coffee shops

Output:
restaurant
shop
tourist