Red is related to Anger. Anger is related to Burst. 
Economics is related to Demand. Demand is related to Popular. Popular is related to Chicken. Chicken is related to Kid. 
Red <--RelatedTo--> Anger <--RelatedTo--> Burst 
Economics <--RelatedTo--> Demand <--RelatedTo--> Popular <--RelatedTo--> Chicken <--RelatedTo--> Kid 