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: 'A short time after the NFL banned Ephedra , also known by the Chinese been using EPHEDRA because EPHEDRA killed my houghton and I find them kind of headlines .', Argument/Subject 1: 'ephedron', Argument/Subject 2: 'nfl'

A: be ban by
****
Q: Sentence: 'David Wood-Gush was born in South Africa and received a B.Sc. from the University of Witwatersrand , Johannesburg , and a Ph.D. from the University of Edinburgh .', Argument/Subject 1: 'david', Argument/Subject 2: 'south africa'

A: be bear in
****
Q: Sentence: 'Richardson was elected governor of New Mexico in 2002 .', Argument/Subject 1: 'richardson', Argument/Subject 2: 'new mexico'

A:
be governor of
****