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

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

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