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

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

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