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

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

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