Convict is a type of Prisoner. Prisoner is related to Jail. Jail is related to Guard. Guard is related to British. 
Transmission is a type of Gear. Transmission is a type of Communication. 
Convict --IsA--> Prisoner <--RelatedTo--> Jail <--RelatedTo--> Guard <--RelatedTo--> British 
Gear <--IsA-- Transmission --IsA--> Communication 