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

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

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