Log is related to Roll. Roll is related to Clip. Clip can be used for Bind. Bind is a synonym of Dilemma. 
Sound is a type of Valid. Sound is related to General. 
Log <--RelatedTo--> Roll <--RelatedTo--> Clip --UsedFor--> Bind <--Synonym--> Dilemma 
Valid <--IsA-- Sound <--RelatedTo--> General 