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

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

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