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.

Example Input: Sentence: 'Not only for the twin towers fentanyl ZOLPIDEM may cause Restless Leg Syndrome and nighttime grinding of teeth .', Argument/Subject 1: 'zolpidem', Argument/Subject 2: 'restless leg syndrome'
Example Output: cause

Example Input: Sentence: 'China does not want to be dominated by America or Russia , and will attempt to play one off against the other for its own benefit - now tilting towards one , now swinging back to the other .', Argument/Subject 1: 'china', Argument/Subject 2: 'america'
Example Output: want to be

Example Input: Sentence: 'Margaret Sanger , the founder of Planned Parenthood , was a proponent of ace hygienethrough egative eugenics ,an attempt to reduce the fertility of ysgenicgroups , in the early 20th century .', Argument/Subject 1: 'sanger', Argument/Subject 2: 'plan parenthood'
Example Output:
be founder of