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

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

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