Input: Identify the most salient words:

Four trains and cargo boxes on multiple tracks.

Output: box
track
train

Input: Identify the most salient words:

A woman is in her room talking while placing make-up on her own face.

Output: face
place
talk

Input: Identify the most salient words:

A large jet sitting below a cloud filled blue sky.

Output: fill
sit
sky

Input: Identify the most salient words:

A toilet in a bathroom next to a sink in a doorway.

Output:
bathroom
doorway
sink
toilet