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

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

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