Sentiment is related to Card. Card is related to Message. Message is a synonym of Substance. Substance is a type of Part. 
Rib is a type of Bone. Bone is related to Human. Arab is a type of Human. 
Sentiment <--RelatedTo--> Card <--RelatedTo--> Message <--Synonym--> Substance --IsA--> Part 
Rib --IsA--> Bone <--RelatedTo--> Human <--IsA-- Arab 