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

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

*GRAMMAR*
fep -> YELLOW 
 blicket -> BLUE 
 zup -> GREEN 
 tufa -> PURPLE 
 u1 lug u2 -> [u2] [u1] 
 u1 kiki -> [u1] [u1] 
 x1 dax x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 