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

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

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