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

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

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