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

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

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