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: 'Engineers continued to review photographs of the affected area to determine whether it could pose a problem when Atlantis returns to Earth .', Argument/Subject 1: 'atlanti', Argument/Subject 2: 'earth'
[A]: return to


[Q]: Sentence: 'Free Medline - provides free access to the National Library of Medicine 's database of articles .', Argument/Subject 1: 'library', Argument/Subject 2: 'medline'
[A]:
provide access to