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

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

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