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

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

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