Book have Past. Text is a type of Book. Text is related to Phrase. 
Protest is related to Disagree. Disagree is a different concept from Agree. Agree is related to Understanding. Understanding is related to Knowledge. 
Past <--HasA-- Book <--IsA-- Text <--RelatedTo--> Phrase 
Protest <--RelatedTo--> Disagree <--DistinctFrom--> Agree <--RelatedTo--> Understanding <--RelatedTo--> Knowledge 