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

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

*GRAMMAR*
zup -> BLUE 
 gazzer -> GREEN 
 wif -> YELLOW 
 kiki -> PURPLE 
 x1 dax x2 -> [x1] [x1] [x1] [x2] [x2] [x1] [x2] [x2] 
 x1 tufa x2 -> [x1] [x2] [x2] [x1] 
 u1 blicket u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 