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

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

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