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

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

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