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

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

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