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

*QUERY*
IN: fep tufa blicket wif gazzer OUT: GREEN BLUE BLUE GREEN BLUE BLUE
IN: dax gazzer gazzer OUT: PURPLE PURPLE PURPLE PURPLE
IN: fep fep tufa blicket wif OUT: GREEN BLUE BLUE BLUE
IN: fep OUT: BLUE
IN: dax gazzer OUT: PURPLE PURPLE
IN: wif wif tufa OUT: GREEN GREEN GREEN
IN: fep gazzer OUT: BLUE BLUE
IN: wif tufa OUT: GREEN GREEN
IN: dax wif OUT: PURPLE GREEN
IN: wif tufa blicket wif gazzer OUT: GREEN GREEN GREEN GREEN GREEN GREEN

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