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

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

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