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

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

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