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

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

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