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

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

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