*SUPPORT*
IN: dax zup lug OUT: PURPLE RED
IN: lug fep lug fep tufa OUT: YELLOW PURPLE PURPLE
IN: lug OUT: PURPLE
IN: lug kiki lug OUT: PURPLE PURPLE PURPLE
IN: tufa lug kiki lug OUT: YELLOW PURPLE PURPLE PURPLE
IN: gazzer kiki tufa OUT: BLUE YELLOW BLUE
IN: dax lug kiki tufa OUT: RED PURPLE YELLOW PURPLE
IN: lug kiki tufa OUT: PURPLE YELLOW PURPLE
IN: lug fep tufa OUT: YELLOW PURPLE
IN: tufa fep dax OUT: RED YELLOW
IN: tufa gazzer OUT: YELLOW BLUE
IN: gazzer gazzer fep dax kiki tufa OUT: BLUE RED YELLOW RED BLUE
IN: dax OUT: RED
IN: tufa OUT: YELLOW

*QUERY*
IN: dax tufa gazzer zup lug kiki dax OUT: PURPLE RED PURPLE RED YELLOW BLUE
IN: lug fep lug OUT: PURPLE PURPLE
IN: gazzer OUT: BLUE
IN: gazzer gazzer kiki dax zup gazzer kiki dax OUT: BLUE RED BLUE BLUE BLUE RED BLUE
IN: gazzer tufa fep lug fep tufa kiki lug OUT: BLUE YELLOW PURPLE YELLOW PURPLE YELLOW
IN: dax gazzer lug tufa kiki dax zup dax OUT: RED RED BLUE PURPLE YELLOW RED YELLOW
IN: dax kiki dax OUT: RED RED RED
IN: lug kiki dax OUT: PURPLE RED PURPLE
IN: dax kiki lug OUT: RED PURPLE RED
IN: gazzer kiki dax OUT: BLUE RED BLUE

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