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

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

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