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

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

*GRAMMAR*
zup -> YELLOW 
 blicket -> PINK 
 gazzer -> BLUE 
 tufa -> GREEN 
 x1 fep x2 -> [x1] [x2] 
 u1 kiki u2 -> [u2] [u1] 
 u1 dax -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 