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

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

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