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

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

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