*SUPPORT*
IN: dax kiki lug kiki lug kiki zup OUT: PURPLE BLUE BLUE GREEN BLUE BLUE PURPLE
IN: dax dax gazzer kiki dax OUT: GREEN GREEN GREEN GREEN GREEN GREEN GREEN GREEN
IN: dax lug kiki dax OUT: GREEN GREEN BLUE GREEN
IN: fep zup OUT: YELLOW PURPLE
IN: zup wif lug OUT: PURPLE BLUE
IN: lug fep kiki lug OUT: BLUE BLUE YELLOW BLUE
IN: lug wif lug gazzer OUT: BLUE BLUE BLUE BLUE BLUE BLUE
IN: lug wif lug OUT: BLUE BLUE
IN: fep zup gazzer OUT: YELLOW PURPLE YELLOW PURPLE YELLOW PURPLE
IN: zup kiki dax OUT: GREEN PURPLE GREEN
IN: lug wif zup OUT: BLUE PURPLE
IN: zup kiki fep kiki zup OUT: PURPLE YELLOW PURPLE YELLOW PURPLE
IN: dax OUT: GREEN
IN: fep dax kiki dax kiki dax OUT: GREEN GREEN YELLOW GREEN GREEN GREEN

*QUERY*
IN: lug wif fep kiki zup OUT: PURPLE BLUE YELLOW PURPLE
IN: zup wif fep OUT: PURPLE YELLOW
IN: dax kiki lug kiki fep OUT: YELLOW BLUE GREEN BLUE YELLOW
IN: fep OUT: YELLOW
IN: zup OUT: PURPLE
IN: fep wif dax OUT: YELLOW GREEN
IN: fep gazzer OUT: YELLOW YELLOW YELLOW
IN: dax kiki fep OUT: YELLOW GREEN YELLOW
IN: lug dax wif lug OUT: BLUE GREEN BLUE
IN: fep wif fep OUT: YELLOW YELLOW

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