Cake is a type of Dessert. Whip is a type of Dessert. Whip is related to Cord. Cord is related to Wire. 
Reminder is related to Alarm. Alarm is related to Sound. 
Cake --IsA--> Dessert <--IsA-- Whip <--RelatedTo--> Cord <--RelatedTo--> Wire 
Reminder <--RelatedTo--> Alarm <--RelatedTo--> Sound 