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

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

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