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

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

*GRAMMAR*
zup -> GREEN 
 wif -> PINK 
 kiki -> RED 
 dax -> BLUE 
 u1 tufa x1 -> [x1] [u1] [u1] [x1] 
 x1 fep -> [x1] [x1] 
 u1 blicket u2 -> [u1] [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 