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: 'be president of', Sentence: 'Egypt 's President Hosni Mubarak is receiving tomorrow Palestinian President Yasser Arafat who is visiting Egypt before heading to Washington to attend the three-way summit that was urged on by the U.S President Bill Clinton and will be attended by Arafat and Israeli Prime Minister Ehud Barak .'

Output: President


Input: Consider Input: Given Relationship: 'be rule by', Sentence: 'The Communist Party has ruled China since 1949 , after it defeated the Chinese Nationalists in a civil war .'

Output: ruled


Input: Consider Input: Given Relationship: 'be mother of', Sentence: 'Mary the mother of the Christ was brought here and also Lazarus was with them .'


Output: mother