Weekend is related to Pay. Fund is a type of Pay. Fund is related to Enjoy. Enjoy is related to Reading. 
Justice is related to System. System is related to Transport. Bus can be used for Transport. 
Weekend <--RelatedTo--> Pay <--IsA-- Fund <--RelatedTo--> Enjoy <--RelatedTo--> Reading 
Justice <--RelatedTo--> System <--RelatedTo--> Transport <--UsedFor-- Bus 