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

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

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