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

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

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