Retreat is related to Turn. Turn is a synonym of Action. Action is related to Fast. 
Alone is related to Self. Self is related to Independent. Independent is related to Separate. 
Retreat <--RelatedTo--> Turn <--Synonym--> Action <--RelatedTo--> Fast 
Alone <--RelatedTo--> Self <--RelatedTo--> Independent <--RelatedTo--> Separate 