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

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

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