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

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

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