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

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

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