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

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

*GRAMMAR*
gazzer -> YELLOW 
 wif -> BLUE 
 kiki -> PINK 
 fep -> RED 
 x1 tufa x2 -> [x2] [x1] 
 x1 dax x2 -> [x2] [x1] [x1] 
 x1 zup -> [x1] [x1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 