Input: Identify the most salient words:

red and black train with word virgin on the side

Output: side
train
word

Input: Identify the most salient words:

sunrise at the temple complex just after the morning fog lifted to reveal all the structures

Output: fog
structure
sunrise

Input: Identify the most salient words:

a tiny purple flower covered in fine hairs grows between sharp rocks

Output: cover
flower
rock

Input: Identify the most salient words:

pilot at controls of a passenger aircraft

Output:
aircraft
control
pilot