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

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

*GRAMMAR*
blicket -> YELLOW 
 lug -> PURPLE 
 zup -> RED 
 wif -> BLUE 
 u1 dax u2 -> [u2] [u1] 
 x1 gazzer x2 -> [x2] [x1] [x2] 
 u1 tufa -> [u1] [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 