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

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

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