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: 'bless of', Sentence: 'And God bless the United States of America" .'

Output: bless


Input: Consider Input: Given Relationship: 'be capital of', Sentence: 'Chengdu is the capital of Sichuan , also the administrative , educational and cultural center and a major industrial base .'

Output: capital


Input: Consider Input: Given Relationship: 'file to', Sentence: 'Convert audio files such as MP3 , CD , CDA , CD-R , DVD-Audio , AAC , AC3 , ID3 , M3U , M4A , M4P , MP3 ID3 Tag , OGG , RA , WAV , WMA , MP2 , APE , VQF , MPC , AMR , Midi , WAVE , and RM , rend audio CDs , and burn Audio CDs .'


Output: files