Input: Identify the most salient words:

students talking outside school category

Output: category
student
talk

Input: Identify the most salient words:

politician arrives to address legislative committee and is confronted by protesters .

Output: address
arrive
politician

Input: Identify the most salient words:

teacher helping a male pupil studying at a desk in classroom

Output: help
pupil
teacher

Input: Identify the most salient words:

museum opened in a purpose built building designed by architects

Output:
architect
build
building
design