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

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

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