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

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

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