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.
Q: Sentence: 'Vince McMahon is grooming his next WWE star into an actor : John Cena , who starred in the first WWE Film , " THE MARINE" - here 's a look ...', Argument/Subject 1: 'john cena', Argument/Subject 2: 'marine'
A:
star in