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

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

*GRAMMAR*
wif -> PINK 
 kiki -> BLUE 
 lug -> RED 
 tufa -> PURPLE 
 u1 blicket u2 -> [u1] [u2] 
 x1 gazzer x2 -> [x1] [x2] [x1] [x2] 
 u1 dax -> [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 