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

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

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