Degree is related to Job. Job is related to Role. Role is related to Captain. 
Depressed is a synonym of Sad. Sad is related to Unhappy. Unhappy is related to Regret. 
Degree <--RelatedTo--> Job <--RelatedTo--> Role <--RelatedTo--> Captain 
Depressed <--Synonym--> Sad <--RelatedTo--> Unhappy <--RelatedTo--> Regret 