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

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

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