you are likely to find Disease in/at/on Lab. Disease is related to Body. Church is a type of Body. you are likely to find Committee in/at/on Church. 
Art is related to Pleasure. Sex is a type of Pleasure. Fucking is the Sex. 
Lab <--AtLocation-- Disease <--RelatedTo--> Body <--IsA-- Church <--AtLocation-- Committee 
Art <--RelatedTo--> Pleasure <--IsA-- Sex <--DefinedAs-- Fucking 