Input: Identify the most salient words:

april is a great time of year to visit national park as plants are in full bloom .

Output: park
time
visit
year

Input: Identify the most salient words:

chickens in the chicken coop and farm

Output: chicken
coop
farm

Input: Identify the most salient words:

books that prove sometimes you can judge a book by its cover .

Output: book
cover
judge

Input: Identify the most salient words:

demolition of housing and flats on a housing estate .

Output:
demolition
estate
flat