Top is related to Cake. Cake is related to Anniversary. Anniversary is related to Card. Card is related to Component. 
Deal is related to Situation. Validity is a type of Situation. 
Top <--RelatedTo--> Cake <--RelatedTo--> Anniversary <--RelatedTo--> Card <--RelatedTo--> Component 
Deal <--RelatedTo--> Situation <--IsA-- Validity 