Tv is related to Watch. Watch is related to Television. you are likely to find Commercial in/at/on Television. 
Carrier is related to Hunter. Hunter is related to Predator. Predator is related to Bear. 
Tv <--RelatedTo--> Watch <--RelatedTo--> Television <--AtLocation-- Commercial 
Carrier <--RelatedTo--> Hunter <--RelatedTo--> Predator <--RelatedTo--> Bear 