Military is related to Uniform. Uniform is related to Clothing. Jacket is a type of Clothing. 
Oxygen is related to Element. Element is related to Piece. Piece can be used for Fix. Fix is a synonym of Dilemma. 
Military <--RelatedTo--> Uniform <--RelatedTo--> Clothing <--IsA-- Jacket 
Oxygen <--RelatedTo--> Element <--RelatedTo--> Piece --UsedFor--> Fix <--Synonym--> Dilemma 