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

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

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