*SUPPORT*
IN: lug dax OUT: PURPLE RED
IN: dax tufa lug kiki fep kiki lug OUT: PURPLE RED PURPLE BLUE PURPLE
IN: fep zup fep fep OUT: BLUE BLUE BLUE
IN: fep dax kiki blicket kiki dax OUT: BLUE RED YELLOW RED
IN: blicket kiki blicket OUT: YELLOW YELLOW
IN: blicket dax kiki blicket tufa dax OUT: RED YELLOW RED YELLOW RED
IN: blicket zup blicket kiki blicket OUT: YELLOW YELLOW YELLOW
IN: lug lug fep kiki fep OUT: PURPLE PURPLE BLUE BLUE
IN: lug blicket OUT: PURPLE YELLOW
IN: blicket zup blicket kiki fep OUT: YELLOW YELLOW BLUE
IN: dax OUT: RED
IN: dax tufa blicket OUT: YELLOW RED YELLOW
IN: fep zup fep tufa lug kiki fep OUT: BLUE PURPLE BLUE PURPLE BLUE
IN: blicket OUT: YELLOW

*QUERY*
IN: fep tufa lug OUT: PURPLE BLUE PURPLE
IN: fep OUT: BLUE
IN: fep fep kiki dax tufa blicket kiki fep OUT: YELLOW BLUE BLUE RED YELLOW BLUE
IN: lug kiki dax kiki lug OUT: PURPLE RED PURPLE
IN: lug OUT: PURPLE
IN: lug kiki dax tufa fep OUT: BLUE PURPLE RED BLUE
IN: lug tufa lug OUT: PURPLE PURPLE PURPLE
IN: fep kiki dax OUT: BLUE RED
IN: blicket tufa blicket OUT: YELLOW YELLOW YELLOW
IN: lug kiki fep tufa dax OUT: RED PURPLE BLUE RED

*GRAMMAR*
dax -> RED 
 fep -> BLUE 
 lug -> PURPLE 
 blicket -> YELLOW 
 x1 kiki u1 -> [x1] [u1] 
 x1 zup x2 -> [x1] [x2] 
 x1 tufa u1 -> [u1] [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 