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

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

*GRAMMAR*
blicket -> PURPLE 
 lug -> YELLOW 
 wif -> BLUE 
 tufa -> RED 
 u1 kiki -> [u1] [u1] [u1] [u1] 
 u1 dax -> [u1] [u1] 
 x1 gazzer x2 -> [x2] [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 