Air is related to Blow. Blow is related to Sexy. Sexy is a type of Book. 
Intention is related to Cruel. Cruel is related to Mean. Mean is a synonym of Imply. Employ is etymologically related to Imply. 
Air <--RelatedTo--> Blow <--RelatedTo--> Sexy --IsA--> Book 
Intention <--RelatedTo--> Cruel <--RelatedTo--> Mean <--Synonym--> Imply <--EtymologicallyRelatedTo-- Employ 