Dog is related to Collar. Collar is related to Shirt. Shirt is a type of Dress. Dress is a synonym of Bind. 
Problem is related to Situation. Event is a type of Situation. 
Dog <--RelatedTo--> Collar <--RelatedTo--> Shirt --IsA--> Dress <--Synonym--> Bind 
Problem <--RelatedTo--> Situation <--IsA-- Event 