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.

Example Input: Given Relationship: 'discover', Sentence: 'School children throughout the United States and Canada will tell you that Christopher Columbus discovered America when he was searching for a faster , more efficient route to the riches of India .'
Example Output: discovered

Example 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 .'
Example Output: chose

Example Input: Given Relationship: 'say of', Sentence: 'And after what Obama said last night about Biden , we can all only view him now as the senile old grandfather who says things that no one understands .'
Example Output:
says