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

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

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