*SUPPORT*
IN: kiki dax fep gazzer OUT: PINK BLUE PINK BLUE PINK BLUE
IN: kiki OUT: BLUE
IN: wif OUT: PURPLE
IN: zup dax zup OUT: GREEN GREEN
IN: kiki dax kiki OUT: BLUE BLUE
IN: wif gazzer OUT: PURPLE PURPLE PURPLE
IN: fep dax kiki gazzer OUT: BLUE PINK BLUE PINK BLUE PINK
IN: kiki zup tufa wif OUT: BLUE GREEN PURPLE
IN: zup tufa zup dax fep OUT: GREEN PINK GREEN
IN: kiki dax wif OUT: PURPLE BLUE
IN: kiki gazzer OUT: BLUE BLUE BLUE
IN: fep dax wif tufa fep zup dax fep OUT: PURPLE PINK PINK PINK GREEN
IN: wif dax zup OUT: GREEN PURPLE
IN: fep fep dax zup OUT: PINK GREEN PINK

*QUERY*
IN: zup OUT: GREEN
IN: fep gazzer OUT: PINK PINK PINK
IN: kiki dax zup OUT: GREEN BLUE
IN: zup tufa fep dax zup OUT: GREEN GREEN PINK
IN: kiki dax zup tufa kiki OUT: GREEN BLUE BLUE
IN: wif wif wif OUT: PURPLE PURPLE PURPLE
IN: fep dax fep OUT: PINK PINK
IN: kiki zup OUT: BLUE GREEN
IN: wif dax kiki OUT: BLUE PURPLE
IN: fep OUT: PINK

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