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

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

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