Input: Identify the most salient words:

chromosome numbers of various organisms each species has a characteristic number of chromosomes in each cell .

Output: chromosome
number
organism

Input: Identify the most salient words:

A bathroom themed with baby blue towels and curtains.

Output: bathroom
curtain
theme

Input: Identify the most salient words:

A dog hears a noise.

Output: dog
hear
noise

Input: Identify the most salient words:

A dog navigates an obstacle.

Output:
dog
navigate
obstacle