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

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

*GRAMMAR*
lug -> PINK 
 zup -> PURPLE 
 dax -> GREEN 
 kiki -> RED 
 x1 blicket u1 -> [u1] [x1] 
 x1 tufa x2 -> [x1] [x1] [x2] 
 u1 fep u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 