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

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

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