Logic is a type of Science. Science can be used for Discovery. Discovery is related to Channel. Channel is a type of Transmission. 
Builder is related to Occupation. Occupation is related to Merchant. Merchant is the opposite of Buyer. Buyer is related to Seller. 
Logic --IsA--> Science --UsedFor--> Discovery <--RelatedTo--> Channel --IsA--> Transmission 
Builder <--RelatedTo--> Occupation <--RelatedTo--> Merchant <--Antonym--> Buyer <--RelatedTo--> Seller 