Unit is related to Bit. Bit is related to Wound. Wound is related to Large. Large is related to Huge. 
Responsible is a synonym of Own. Own is related to Captain. 
Unit <--RelatedTo--> Bit <--RelatedTo--> Wound <--RelatedTo--> Large <--RelatedTo--> Huge 
Responsible <--Synonym--> Own <--RelatedTo--> Captain 