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

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

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