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

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

*GRAMMAR*
gazzer -> PINK 
 kiki -> BLUE 
 lug -> PURPLE 
 zup -> GREEN 
 x1 tufa u1 -> [u1] [x1] 
 x1 fep x2 -> [x1] [x2] [x1] [x1] 
 u1 dax u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 