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

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

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