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

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

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