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

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

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