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

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

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