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

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

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