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

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

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