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

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

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