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

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

*GRAMMAR*
fep -> YELLOW 
 tufa -> PURPLE 
 wif -> GREEN 
 kiki -> RED 
 u1 zup u2 -> [u1] [u1] [u2] [u2] 
 u1 dax -> [u1] [u1] 
 x1 lug x2 -> [x1] [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 