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

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

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