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

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

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