News is related to Category. Category is related to Crowd. Crowd is related to Arena. Arena can be used for Competition. 
Road is related to Chicken. Chicken is related to Nest. Nest is related to Pregnancy. 
News <--RelatedTo--> Category <--RelatedTo--> Crowd <--RelatedTo--> Arena --UsedFor--> Competition 
Road <--RelatedTo--> Chicken <--RelatedTo--> Nest <--RelatedTo--> Pregnancy 