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

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

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