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

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

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