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

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

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