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

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

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