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

*QUERY*
IN: dax gazzer fep OUT: RED PURPLE RED
IN: dax tufa fep OUT: PURPLE RED
IN: fep lug tufa fep OUT: RED PINK RED
IN: lug tufa dax gazzer dax OUT: PURPLE PINK PURPLE PURPLE
IN: dax fep blicket OUT: PURPLE RED RED RED RED
IN: fep fep blicket OUT: RED RED RED RED RED
IN: fep tufa fep OUT: RED RED
IN: lug blicket OUT: PINK PINK PINK PINK
IN: dax gazzer dax OUT: PURPLE PURPLE PURPLE
IN: fep gazzer fep OUT: RED RED RED

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