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

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

*GRAMMAR*
wif -> PURPLE 
 zup -> BLUE 
 lug -> YELLOW 
 dax -> GREEN 
 x1 gazzer x2 -> [x1] [x2] 
 u1 fep u2 -> [u1] [u2] 
 x1 kiki x2 -> [x1] [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 