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

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

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