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

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

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