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

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

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