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

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

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