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

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

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