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

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

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