Event is related to Special. Special is related to Offer. Offer is related to Donation. Donation is derived from Donate. 
Lake can be used for Fun. Fun is related to Dance. 
Event <--RelatedTo--> Special <--RelatedTo--> Offer <--RelatedTo--> Donation --DerivedFrom--> Donate 
Lake --UsedFor--> Fun <--RelatedTo--> Dance 