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

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

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