Emotional is related to Smile. Smile is related to Being. Being is related to Bother. Bother is a synonym of Trouble. 
Road is related to Main. Main is related to Busy. Busy is related to Bee. 
Emotional <--RelatedTo--> Smile <--RelatedTo--> Being <--RelatedTo--> Bother <--Synonym--> Trouble 
Road <--RelatedTo--> Main <--RelatedTo--> Busy <--RelatedTo--> Bee 