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

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

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