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

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

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