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

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

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