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

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

*GRAMMAR*
blicket -> RED 
 zup -> BLUE 
 kiki -> PURPLE 
 tufa -> YELLOW 
 x1 dax -> [x1] [x1] 
 u1 wif u2 -> [u2] [u1] 
 x1 gazzer u1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 