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

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

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