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

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

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