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

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

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