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: 'cross', Sentence: 'This might entail that Caesar did not choose to cross the Rubicon , but that he was acting in a determined manner , like a machine .'

Output: cross

Input: Consider Input: Given Relationship: 'be spirit of', Sentence: 'For it is only through God in Christ and the Holy Spirit , as Romans 5 says , that hope does not disappoint .'

Output: Spirit

Input: Consider Input: Given Relationship: 'believe in', Sentence: 'I believe that Jesus Christ is true God and true man , having been conceived of the Holy Spirit and born of the Virgin Mary .'
Output: believe