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

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

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