Input: Identify the most salient words:

A bathroom under renovation waiting for the toilet.

Output: bathroom
renovation
toilet

Input: Identify the most salient words:

calculating the number of students that earned a certain grade .

Output: grade
number
student

Input: Identify the most salient words:

A number of vehicles waiting at an intersection.

Output: intersection
vehicle
wait

Input: Identify the most salient words:

light seen through a stained glass

Output:
glass
light
stain