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

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

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