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

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

*GRAMMAR*
tufa -> RED 
 dax -> PINK 
 zup -> YELLOW 
 lug -> GREEN 
 x1 wif u1 -> [x1] [u1] 
 u1 kiki u2 -> [u2] [u1] [u1] 
 x1 gazzer x2 -> [x2] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 