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

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

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