May is related to Calendar. Calendar is a synonym of Agenda. Agenda is a type of List. List is a type of Register. 
Friendly is related to Social. Social is related to School. you are likely to find Marker in/at/on School. Marker is related to Claim. 
May <--RelatedTo--> Calendar <--Synonym--> Agenda --IsA--> List --IsA--> Register 
Friendly <--RelatedTo--> Social <--RelatedTo--> School <--AtLocation-- Marker <--RelatedTo--> Claim 