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

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

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