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

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

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