Input: Identify the most salient words:

glass is available in a variety of colors .

Output: color
glass
variety

Input: Identify the most salient words:

wind causes intricate patterns to form in the white sand

Output: cause
pattern
sand
wind

Input: Identify the most salient words:

rocky trail going upwards in the shade of trees

Output: shade
trail
tree

Input: Identify the most salient words:

The seat of the toilet is made out of a dark wood.

Output:
seat
toilet
wood