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

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

*GRAMMAR*
zup -> RED 
 lug -> BLUE 
 dax -> YELLOW 
 tufa -> GREEN 
 x1 wif -> [x1] [x1] [x1] 
 u1 gazzer u2 -> [u2] [u2] [u1] 
 x1 blicket x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 