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

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

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