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

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

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