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

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

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