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

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

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