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

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

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