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

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

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