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

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

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