Input: Identify the most salient words:

country spikes a ball in a match against italy .

Output: ball
country
match
spike

Input: Identify the most salient words:

tanks roll through the streets .

Output: roll
street
tank

Input: Identify the most salient words:

There is a piece of cake on a plate with decorations on it.

Output: cake
decoration
piece

Input: Identify the most salient words:

spaceship unity flies freely over the airport during a test flight .

Output:
airport
flight
fly