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

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

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