Carrot is related to Rabbit. Rabbit is related to Hole. Hole is related to Grave. 
Cargo can be used for Transport. Aircraft can be used for Transport. Aircraft is a type of Craft. 
Carrot <--RelatedTo--> Rabbit <--RelatedTo--> Hole <--RelatedTo--> Grave 
Cargo --UsedFor--> Transport <--UsedFor-- Aircraft --IsA--> Craft 