instruction:
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.
question:
Sentence: 'Buffy looks at Xander .', Argument/Subject 1: 'buffy', Argument/Subject 2: 'xander'
answer:
look up at


question:
Sentence: 'Microsoft and Windows NT are a registered trademarks of Microsoft Corporation .', Argument/Subject 1: 'microsoft', Argument/Subject 2: 'microsoft corporation'
answer:
be trademark of


question:
Sentence: 'Connelly does discuss , of course , the large personalities involved , such as Planned Parenthood founder Margaret Sanger and Population Bomb author Paul Ehrlich .', Argument/Subject 1: 'margaret sanger', Argument/Subject 2: 'plan parenthood'
answer:

be founder of