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

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

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