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

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

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