Input: Identify the most salient words:

teacher of physics writing a formula on interactive whiteboard .

Output: formula
teacher
whiteboard

Input: Identify the most salient words:

the texture and the combinations of colors in this image are stunning .

Output: color
combination
texture

Input: Identify the most salient words:

Several zebra eating from a concrete feeder in a zoo.

Output: eat
feeder
zoo

Input: Identify the most salient words:

created for organisation this poster celebrates holiday as part of the centennial celebrations .

Output:
create
part
poster