Cart is a type of Box. Box is related to Closed. Closed is related to Lock. 
Chemistry is related to Science. Science is the opposite of Faith. Faith is related to Charity. Charity is related to Welfare. 
Cart --IsA--> Box <--RelatedTo--> Closed <--RelatedTo--> Lock 
Chemistry <--RelatedTo--> Science <--Antonym--> Faith <--RelatedTo--> Charity <--RelatedTo--> Welfare 