Sheep is related to Carrier. Carrier is a type of Traveler. Passenger is a type of Traveler. Passenger is related to Rider. 
Asset is a type of Quality. Quality is related to Color. Color is related to Others. 
Sheep <--RelatedTo--> Carrier --IsA--> Traveler <--IsA-- Passenger <--RelatedTo--> Rider 
Asset --IsA--> Quality <--RelatedTo--> Color <--RelatedTo--> Others 