Given a sentence and two mentions from the text (arguments), indicate a phrase (a verb or noun phrase) that describes the relationship between the provided arguments.
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Question: Sentence: 'Bill served his country in the U.S. Navy for three years before marrying in 1961 .', Argument/Subject 1: 'bill', Argument/Subject 2: 'us navy'

Answer: serve in


Question: Sentence: 'Adobe and the Adobe logo are either registered trademarks or trademarks of the Adobe System Incorporated in the United States and/or other countries .', Argument/Subject 1: 'adobe', Argument/Subject 2: 'adobe system'

Answer: be trademark of


Question: Sentence: 'Obama has a 23-point lead over McCain among 18-35 , and there 's a gender gap there on top .', Argument/Subject 1: 'obama', Argument/Subject 2: 'mccain'

Answer:
lead