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

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

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