Beat is a type of Shape. Beat is related to Defeat. Defeat is related to Enemy. Enemy is a different concept from Girlfriend. 
Page is related to Unit. Unit is related to Family. Grandmother is part of Family. Grandmother is a type of Grandparent. 
Shape <--IsA-- Beat <--RelatedTo--> Defeat <--RelatedTo--> Enemy <--DistinctFrom--> Girlfriend 
Page <--RelatedTo--> Unit <--RelatedTo--> Family <--PartOf-- Grandmother --IsA--> Grandparent 