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

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

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