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

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

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