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

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

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