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

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

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