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

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

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