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

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

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