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

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

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