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

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

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