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

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

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