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

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

*GRAMMAR*
zup -> BLUE 
 fep -> RED 
 dax -> YELLOW 
 wif -> PINK 
 u1 kiki x1 -> [x1] [u1] 
 x1 gazzer x2 -> [x2] [x1] 
 u1 tufa u2 -> [u2] [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 