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

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

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