From the given sentence, extract the phrase (often noun or verb) that carries the given relationship. The generated phrase should be present in the sentence.

Ex Input:
Given Relationship: 'open on', Sentence: 'Registration for Cybernet Expo will open in February .'

Ex Output:
open


Ex Input:
Given Relationship: 'be region in', Sentence: 'The government of Chad has withdrawn from the African Union-brokered peace talks on Sudan 's troubled Darfur region .'

Ex Output:
region


Ex Input:
Given Relationship: 'invade', Sentence: 'Hitler has invaded Poland .'

Ex Output:

invaded