*SUPPORT*
IN: gazzer wif zup OUT: YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW
IN: dax kiki zup OUT: RED GREEN RED GREEN RED GREEN
IN: gazzer dax OUT: YELLOW RED
IN: lug wif tufa OUT: BLUE BLUE BLUE BLUE BLUE BLUE
IN: dax zup OUT: RED RED RED
IN: kiki OUT: GREEN
IN: gazzer OUT: YELLOW
IN: kiki dax OUT: GREEN RED
IN: dax kiki OUT: RED GREEN
IN: dax dax wif OUT: RED RED RED
IN: dax OUT: RED
IN: gazzer wif OUT: YELLOW YELLOW
IN: lug tufa OUT: BLUE BLUE BLUE
IN: dax wif tufa OUT: RED RED RED RED RED RED

*QUERY*
IN: kiki dax zup OUT: GREEN RED GREEN RED GREEN RED
IN: gazzer kiki OUT: YELLOW GREEN
IN: kiki wif OUT: GREEN GREEN
IN: lug OUT: BLUE
IN: lug zup OUT: BLUE BLUE BLUE
IN: lug wif OUT: BLUE BLUE
IN: gazzer tufa OUT: YELLOW YELLOW YELLOW
IN: gazzer dax wif OUT: YELLOW RED RED
IN: kiki wif zup OUT: GREEN GREEN GREEN GREEN GREEN GREEN
IN: dax wif OUT: RED RED

*GRAMMAR*
gazzer -> YELLOW 
 kiki -> GREEN 
 dax -> RED 
 lug -> BLUE 
 x1 zup -> [x1] [x1] [x1] 
 x1 tufa -> [x1] [x1] [x1] 
 u1 wif -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 