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

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

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