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

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

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