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

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

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