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

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

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