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

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

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