Question: Ghosts comes from a slang term that applies to what type of ethnicities?
Related documents: [0]  [DOC] Gweilo or gwailou (, pronounced ] ) is a common Cantonese slang term for Westerners. In its unmodified form, it applies only to European ethnicities and has a history of racially deprecatory use. Cantonese speakers frequently use "gwailou" to refer to Westerners in general use, in a non-derogatory context, although whether this type of usage is offensive is disputed by both Cantonese and Westerners alike. [END] 
[1]  [DOC] Ghosts is a 2006 drama film directed by Nick Broomfield, based on the 2004 Morecambe Bay cockling disaster. The title is a reference to the Cantonese slang term "Gweilo" (鬼佬), meaning "ghost man", used for white people. [END] 
Answer: 
European
European