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

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

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