Input: Identify the most salient words:

a depiction of an astronaut floating in outer space while his fellow astronauts work on the space station .

Output: astronaut
space
work

Input: Identify the most salient words:

the reflection of a forest with blue sky and fall foliage

Output: fall
foliage
sky

Input: Identify the most salient words:

Two dogs dressed up for St Patrick's day in green hats and bow ties.

Output: day
dog
dress

Input: Identify the most salient words:

A girl saw a pigeon after church and wants to feed it.

Output:
feed
pigeon
want