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

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

*GRAMMAR*
fep -> PURPLE 
 tufa -> YELLOW 
 gazzer -> RED 
 kiki -> BLUE 
 x1 blicket x2 -> [x1] [x2] 
 u1 zup -> [u1] [u1] 
 u1 wif u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 