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

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

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