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

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

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