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

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

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