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

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

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