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

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

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