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

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

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