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

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

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