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

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

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