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

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

*GRAMMAR*
fep -> BLUE 
 gazzer -> PINK 
 wif -> YELLOW 
 tufa -> PURPLE 
 u1 zup x1 -> [u1] [x1] [x1] 
 u1 lug -> [u1] [u1] 
 u1 dax u2 -> [u2] [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 