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

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

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