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

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

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