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

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

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