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

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

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