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

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

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