Parental is related to Dad. Dad is related to Mate. Mate is related to Spouse. 
Soap is a type of Company. Company is the opposite of Factory. Factory is related to Plant. Rose is a type of Plant. 
Parental <--RelatedTo--> Dad <--RelatedTo--> Mate <--RelatedTo--> Spouse 
Soap --IsA--> Company <--Antonym--> Factory <--RelatedTo--> Plant <--IsA-- Rose 