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

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

*GRAMMAR*
zup -> RED 
 dax -> BLUE 
 fep -> YELLOW 
 kiki -> GREEN 
 u1 gazzer -> [u1] [u1] 
 u1 tufa u2 -> [u2] [u1] [u1] [u1] 
 x1 wif u1 -> [u1] [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 