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

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

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