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

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

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