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

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

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