Cover is the opposite of Page. Page is related to Guitar. Neck is part of Guitar. Neck is related to Bite. 
Bathroom is related to Shower. Shower is related to Like. Like is related to Law. Law is related to Legislation. 
Cover <--Antonym--> Page <--RelatedTo--> Guitar <--PartOf-- Neck <--RelatedTo--> Bite 
Bathroom <--RelatedTo--> Shower <--RelatedTo--> Like <--RelatedTo--> Law <--RelatedTo--> Legislation 