Input: Identify the most salient words:

a lot of work coming .

Output: come
lot
work

Input: Identify the most salient words:

Two students posing for a photo with their teacher in the classroom.

Output: photo
pose
student
teacher

Input: Identify the most salient words:

An airplane driving down a runway at an airport.

Output: airplane
airport
drive

Input: Identify the most salient words:

two slices of pizza with cheese and meats on top

Output:
meat
pizza
slice
top