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

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

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