Assertion: selenium | /r/HasProperty | promoted for its claimed anti-cancer effect
Facets:
Source sentences:
text: Although selenium is promoted for its claimed anti-cancer effect, there is no good evidence of it being helpful in treating or preventing cancer, or with helping alleviate the side-effects of cancer treatment.  
text: Although selenium is promoted for its claimed anti-cancer effect, there is no good evidence of it being helpful in treating or preventing cancer, or with helping alleviate the side-effects of cancer treatment.