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

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

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