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

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

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