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

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

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