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.

Input: Consider Input: Given Relationship: 'open on', Sentence: 'Registration is now open for the forthcoming test administrations on January 21 and February 10 , 2007 .'

Output: open


Input: Consider Input: Given Relationship: 'open', Sentence: 'Registration will open on February 1st , 2009 at 00:01 MA time and will close on February 10th , 2009 at 23 :59 MA time .'

Output: open


Input: Consider Input: Given Relationship: 'represent', Sentence: 'The President of the Association shall assume the leadership role of the Association and represent it externally .'


Output: represent