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

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

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