Landing is a type of Structure. Structure is a synonym of System. System is related to River. River is a different concept from Streak. 
Score is a type of Reason. Speculate is a type of Reason. Speculate is a type of Expect. 
Landing --IsA--> Structure <--Synonym--> System <--RelatedTo--> River <--DistinctFrom--> Streak 
Score --IsA--> Reason <--IsA-- Speculate --IsA--> Expect 