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

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

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