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

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

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