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

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

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