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

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

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