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

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

*GRAMMAR*
lug -> GREEN 
 gazzer -> RED 
 zup -> BLUE 
 dax -> YELLOW 
 u1 wif -> [u1] [u1] 
 u1 tufa -> [u1] [u1] [u1] 
 u1 kiki u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 