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

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

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