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

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

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