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

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

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