Burn is a synonym of Water. Water is a type of Fluid. Fluid is related to Cry. Cry is related to Complain. 
Boyfriend is derived from Boy. Boyfriend is a type of Spouse. Wife is a type of Spouse. Wife is related to Sheep. 
Burn <--Synonym--> Water --IsA--> Fluid <--RelatedTo--> Cry <--RelatedTo--> Complain 
Boy <--DerivedFrom-- Boyfriend --IsA--> Spouse <--IsA-- Wife <--RelatedTo--> Sheep 