*SUPPORT*
IN: wif OUT: RED
IN: wif blicket OUT: RED RED
IN: kiki blicket OUT: BLUE BLUE
IN: wif zup kiki gazzer kiki OUT: BLUE BLUE RED
IN: kiki zup dax dax blicket OUT: PURPLE PURPLE PURPLE BLUE
IN: lug blicket OUT: GREEN GREEN
IN: lug kiki lug gazzer kiki OUT: GREEN BLUE GREEN BLUE
IN: dax dax wif dax lug blicket OUT: PURPLE PURPLE RED PURPLE GREEN GREEN
IN: kiki zup dax zup lug lug gazzer dax OUT: GREEN GREEN PURPLE PURPLE BLUE
IN: lug gazzer lug OUT: GREEN GREEN
IN: kiki gazzer kiki OUT: BLUE BLUE
IN: lug OUT: GREEN
IN: dax lug gazzer lug OUT: PURPLE GREEN GREEN
IN: lug gazzer kiki OUT: GREEN BLUE

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

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