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

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

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