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

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

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