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

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

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