Point is a type of Characteristic. Point is related to Issue. 
Rice is related to Taste. Sweet is a type of Taste. Sweet is related to Kind. Kind is the opposite of Brutal. 
Characteristic <--IsA-- Point <--RelatedTo--> Issue 
Rice <--RelatedTo--> Taste <--IsA-- Sweet <--RelatedTo--> Kind <--Antonym--> Brutal 