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

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

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