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

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

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