Input: Identify the most salient words:

A soldier is looking out of his tank.

Output: look
soldier
tank

Input: Identify the most salient words:

love written on a wall

Output: love
wall
write

Input: Identify the most salient words:

female customer choosing wine in a bar

Output: bar
choose
wine

Input: Identify the most salient words:

old paper tacked to a wood wall

Output:
paper
tack
wall