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

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

*GRAMMAR*
fep -> RED 
 blicket -> BLUE 
 dax -> GREEN 
 tufa -> PURPLE 
 u1 zup u2 -> [u2] [u1] 
 x1 wif -> [x1] [x1] 
 x1 lug x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 