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

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

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