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

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

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