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

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

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