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

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

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