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

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

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