Input: Identify the most salient words:

many small bee are flying to collect pollen in the morning

Output: bee
collect
fly
pollen

Input: Identify the most salient words:

It continues to reverse, driving over the Mercedes's hood and crushing it.

Output: continue
crush
drive
hood
reverse

Input: Identify the most salient words:

the castle and its meters of medieval walls that still surround the old town

Output: castle
town
wall

Input: Identify the most salient words:

Sheep grazing in a field in the mountains.

Output:
field
mountain
sheep