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

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

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