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

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

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