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

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

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