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

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

*GRAMMAR*
tufa -> RED 
 lug -> BLUE 
 gazzer -> YELLOW 
 fep -> PURPLE 
 x1 zup x2 -> [x2] [x1] [x1] 
 x1 wif x2 -> [x2] [x2] [x1] [x1] 
 u1 kiki u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 