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

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

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