Assertion: extra stout | /r/MadeOf | pasteurised beer
Facets:
Source sentences:
text: Formerly, it was blended with beer that soured naturally as a result of fermenting in ancient oak tuns with a Brettanomyces population; it is now made with pasteurised beer that has been soured bacterially.  
text: Formerly, it was blended with beer that soured naturally as a result of fermenting in ancient oak tuns with a population; it is now made with pasteurised beer that has been soured bacterially.