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

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

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