*SUPPORT*
IN: dax OUT: RED
IN: dax fep blicket zup dax OUT: RED BLUE RED BLUE
IN: dax blicket fep tufa zup blicket OUT: BLUE RED GREEN BLUE GREEN
IN: blicket dax blicket fep blicket OUT: BLUE RED BLUE BLUE BLUE
IN: blicket dax OUT: BLUE RED
IN: blicket fep blicket zup gazzer OUT: PINK BLUE BLUE BLUE
IN: blicket fep dax wif gazzer OUT: RED BLUE RED PINK RED BLUE RED PINK
IN: blicket fep dax OUT: RED BLUE RED
IN: tufa OUT: GREEN
IN: blicket fep tufa OUT: GREEN BLUE GREEN
IN: blicket fep gazzer wif blicket OUT: PINK BLUE PINK BLUE PINK BLUE PINK BLUE
IN: tufa fep dax wif blicket OUT: RED GREEN RED BLUE RED GREEN RED BLUE
IN: blicket fep tufa wif tufa OUT: GREEN BLUE GREEN GREEN GREEN BLUE GREEN GREEN
IN: gazzer fep dax OUT: RED PINK RED

*QUERY*
IN: tufa fep gazzer OUT: PINK GREEN PINK
IN: tufa tufa fep blicket OUT: GREEN BLUE GREEN BLUE
IN: dax tufa OUT: RED GREEN
IN: tufa fep blicket OUT: BLUE GREEN BLUE
IN: gazzer OUT: PINK
IN: blicket tufa OUT: BLUE GREEN
IN: blicket OUT: BLUE
IN: tufa gazzer wif blicket zup tufa zup gazzer OUT: PINK GREEN GREEN PINK BLUE GREEN PINK BLUE
IN: blicket fep blicket zup blicket OUT: BLUE BLUE BLUE BLUE
IN: blicket zup blicket OUT: BLUE BLUE

*GRAMMAR*
tufa -> GREEN 
 dax -> RED 
 gazzer -> PINK 
 blicket -> BLUE 
 x1 wif u1 -> [x1] [u1] [x1] [u1] 
 u1 fep u2 -> [u2] [u1] [u2] 
 x1 zup u1 -> [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 