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

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

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