Input: Identify the most salient words:

astronauts to perform second spacewalk today

Output: astronaut
perform
spacewalk

Input: Identify the most salient words:

barns and corn in field on a farm

Output: barn
corn
field

Input: Identify the most salient words:

a mountain appears like an island through the clouds

Output: appear
cloud
mountain

Input: Identify the most salient words:

He meets his humble gaze then takes a deep breath and nods.

Output:
breath
meet
take