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

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

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