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

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

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