Class is related to Register. Register is a synonym of File. File is a type of March. March is the opposite of Walking. 
Trip is related to General. General is related to Distance. Distance is related to Coverage. Coverage is a synonym of Reporting. 
Class <--RelatedTo--> Register <--Synonym--> File --IsA--> March <--Antonym--> Walking 
Trip <--RelatedTo--> General <--RelatedTo--> Distance <--RelatedTo--> Coverage <--Synonym--> Reporting 