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

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

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