Arrive is related to Go. Go is a synonym of Belong. Belong is related to Group. Group is related to Sheep. 
Boyfriend is a type of Spouse. Spouse is related to Partner. Partner is related to Friend. 
Arrive <--RelatedTo--> Go <--Synonym--> Belong <--RelatedTo--> Group <--RelatedTo--> Sheep 
Boyfriend --IsA--> Spouse <--RelatedTo--> Partner <--RelatedTo--> Friend 