Input: Identify the most salient words:

A train traveling through a rural countryside filled with green grass.

Output: countryside
fill
grass
train
travel

Input: Identify the most salient words:

image titled send a text message to your email step

Output: image
send
step
title

Input: Identify the most salient words:

Two medical professionals are assisting a small, elderly lady in a wheelchair, while another lady watches.

Output: lady
watch
wheelchair

Input: Identify the most salient words:

A marquee advertisement atop a building with a clock.

Output:
advertisement
building
clock