Survivor is a different concept from Dead. Dead is related to Post. Post is a synonym of Station. 
See is a type of Think. See is related to Clear. Clear is the opposite of Solid. 
Survivor <--DistinctFrom--> Dead <--RelatedTo--> Post <--Synonym--> Station 
Think <--IsA-- See <--RelatedTo--> Clear <--Antonym--> Solid 