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

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

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