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

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

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