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

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

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