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

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

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