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: 'be choose by', Sentence: 'It 's quite obvious to me that John McCain chose Sarah Palin for her personal qualitiies , among other things .'

Ex Output:
chose

Ex Input:
Given Relationship: 'be son of', Sentence: 'Our hope is to know God and His son Jesus fully and to be in fellowship with them forever .'

Ex Output:
son

Ex Input:
Given Relationship: 'help', Sentence: 'Preparing technical documentation for large medical equipment manufacturing firm , including 250 page user Reference Manual , on-line help files , and Installation and Administration Guides .'

Ex Output:
help