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

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

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