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

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

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