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

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

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