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

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

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