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

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

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