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

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

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