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

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

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