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

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

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