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

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

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