Matter is related to Private. Private is a synonym of Intimate. Intimate is a synonym of Familiar. Familiar is related to Known. 
Stupid is related to Dog. Dog is related to Courage. Courage is a synonym of Bottle. 
Matter <--RelatedTo--> Private <--Synonym--> Intimate <--Synonym--> Familiar <--RelatedTo--> Known 
Stupid <--RelatedTo--> Dog <--RelatedTo--> Courage <--Synonym--> Bottle 