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

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

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