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

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

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