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

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

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