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

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

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