*SUPPORT*
IN: gazzer zup tufa blicket tufa dax fep OUT: PINK PURPLE PURPLE GREEN
IN: tufa OUT: PURPLE
IN: wif tufa wif wif zup wif OUT: BLUE PURPLE BLUE BLUE BLUE
IN: fep dax tufa OUT: PURPLE PINK
IN: tufa gazzer zup gazzer blicket fep zup wif OUT: BLUE PINK PURPLE GREEN GREEN
IN: fep tufa zup gazzer OUT: PINK GREEN PURPLE
IN: tufa zup tufa OUT: PURPLE PURPLE
IN: tufa zup wif OUT: BLUE PURPLE
IN: gazzer OUT: GREEN
IN: wif zup fep OUT: PINK BLUE
IN: gazzer zup wif OUT: BLUE GREEN
IN: fep wif zup tufa OUT: PINK PURPLE BLUE
IN: tufa gazzer zup fep dax tufa blicket wif OUT: BLUE PURPLE PURPLE PINK GREEN
IN: tufa dax fep OUT: PINK PURPLE

*QUERY*
IN: gazzer zup fep OUT: PINK GREEN
IN: gazzer zup gazzer OUT: GREEN GREEN
IN: tufa zup gazzer OUT: GREEN PURPLE
IN: fep fep dax fep OUT: PINK PINK PINK
IN: tufa dax tufa OUT: PURPLE PURPLE
IN: wif zup tufa dax fep OUT: PINK PURPLE BLUE
IN: wif OUT: BLUE
IN: gazzer blicket fep zup wif dax tufa OUT: PURPLE BLUE PINK GREEN
IN: wif zup wif OUT: BLUE BLUE
IN: wif tufa OUT: BLUE PURPLE

*GRAMMAR*
wif -> BLUE 
 tufa -> PURPLE 
 fep -> PINK 
 gazzer -> GREEN 
 u1 zup u2 -> [u2] [u1] 
 x1 blicket x2 -> [x2] [x1] 
 x1 dax u1 -> [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 