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

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

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