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

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

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