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

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

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