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

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

*GRAMMAR*
zup -> GREEN 
 lug -> BLUE 
 kiki -> RED 
 tufa -> YELLOW 
 x1 fep x2 -> [x2] [x1] 
 u1 wif -> [u1] [u1] [u1] 
 x1 dax -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 