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

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

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