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

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

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