Definition: 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.
Input: Sentence: 'SCO and SCO Open Desktop are registered trademarks of The Santa Cruz Operation , Inc. in the U.S. and other countries .', Argument/Subject 1: 'sco', Argument/Subject 2: 'santa cruz operation'
Output:
be trademark of