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

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

*GRAMMAR*
fep -> YELLOW 
 wif -> PINK 
 tufa -> GREEN 
 zup -> BLUE 
 u1 gazzer -> [u1] [u1] 
 u1 dax u2 -> [u1] [u2] 
 x1 blicket x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 