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

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

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