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

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

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