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

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

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