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

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

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