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

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

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