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

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

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