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

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

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