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

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

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