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

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

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