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

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

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