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

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

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