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

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

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