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

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

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