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

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

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