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

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

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