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

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

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