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

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

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