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

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

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