Mad is related to Emotion. Emotion is related to Surprise. Surprise is related to Part. 
Single is a synonym of Sole. Sole is a synonym of Exclusive. Exclusive is related to Only. 
Mad <--RelatedTo--> Emotion <--RelatedTo--> Surprise <--RelatedTo--> Part 
Single <--Synonym--> Sole <--Synonym--> Exclusive <--RelatedTo--> Only 