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

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

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