Input: Identify the most salient words:

flock of sheep in the countryside

Output: countryside
flock
sheep

Input: Identify the most salient words:

some of older trees are and reach feet in height .

Output: foot
height
reach
tree

Input: Identify the most salient words:

berries of black currant in a garden

Output: berry
currant
garden

Input: Identify the most salient words:

fictional character and his family pray before a meal on the series .

Output:
family
meal
pray