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

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

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