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

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

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