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

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

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