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

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

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