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

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

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