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

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

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