*SUPPORT*
IN: fep wif tufa OUT: RED BLUE RED BLUE
IN: zup kiki kiki tufa OUT: PINK YELLOW YELLOW PINK YELLOW YELLOW
IN: zup dax OUT: PINK PINK
IN: wif gazzer wif OUT: BLUE BLUE BLUE
IN: zup wif wif OUT: PINK BLUE BLUE
IN: wif gazzer kiki OUT: BLUE BLUE YELLOW
IN: wif OUT: BLUE
IN: zup dax tufa OUT: PINK PINK PINK PINK
IN: zup OUT: PINK
IN: fep dax OUT: RED RED
IN: fep OUT: RED
IN: wif wif dax OUT: BLUE BLUE BLUE
IN: wif tufa OUT: BLUE BLUE
IN: fep fep kiki OUT: RED RED YELLOW

*QUERY*
IN: wif fep dax gazzer fep OUT: BLUE RED RED BLUE RED RED RED
IN: zup dax gazzer fep OUT: PINK PINK PINK PINK RED
IN: kiki dax OUT: YELLOW YELLOW
IN: wif dax OUT: BLUE BLUE
IN: wif wif tufa OUT: BLUE BLUE BLUE BLUE
IN: kiki wif dax tufa OUT: YELLOW BLUE BLUE YELLOW BLUE BLUE
IN: kiki OUT: YELLOW
IN: fep zup dax OUT: RED PINK PINK
IN: kiki fep dax gazzer zup OUT: YELLOW RED RED YELLOW RED RED PINK
IN: zup tufa OUT: PINK PINK

*GRAMMAR*
wif -> BLUE 
 kiki -> YELLOW 
 zup -> PINK 
 fep -> RED 
 x1 tufa -> [x1] [x1] 
 u1 dax -> [u1] [u1] 
 x1 gazzer u1 -> [x1] [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 