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

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

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