Contract is related to Formal. Formal is related to Introduce. Introduce is a synonym of Present. 
Hell is a synonym of Spirit. Spirit is a synonym of Look. Look is related to Read. Call is a type of Read. 
Contract <--RelatedTo--> Formal <--RelatedTo--> Introduce <--Synonym--> Present 
Hell <--Synonym--> Spirit <--Synonym--> Look <--RelatedTo--> Read <--IsA-- Call 