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

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

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