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

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

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