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

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

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