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

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

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