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

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

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