you are likely to find Shadow in/at/on Bridge. Shadow is a synonym of Darkness. Darkness can be Scary. 
Southern is related to Declare. Declare is a type of Authorize. Authorize is the opposite of Prohibit. Prohibit is a synonym of Permit. 
Bridge <--AtLocation-- Shadow <--Synonym--> Darkness --HasProperty--> Scary 
Southern <--RelatedTo--> Declare --IsA--> Authorize <--Antonym--> Prohibit <--Synonym--> Permit 