Annual is related to Salary. Salary is a type of Money. Money is related to Pay. Buy entails/necessarily involves Pay. 
Engage is a type of Touch. Engage is a synonym of Operate. Operate is related to Operation. Operation is related to Funny. 
Annual <--RelatedTo--> Salary --IsA--> Money <--RelatedTo--> Pay <--Entails-- Buy 
Touch <--IsA-- Engage <--Synonym--> Operate <--RelatedTo--> Operation <--RelatedTo--> Funny 