Input: Identify the most salient words:

armed force arrive to support troops fighting country

Output: arrive
country
force

Input: Identify the most salient words:

the cool blue waters reflect the white clouds that float above

Output: cloud
float
reflect

Input: Identify the most salient words:

football coach has words for an official during the second quarter .

Output: official
quarter
word

Input: Identify the most salient words:

a student works with the help of his teacher at a computer

Output:
help
student
teacher
work