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

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

*GRAMMAR*
fep -> PINK 
 wif -> YELLOW 
 zup -> BLUE 
 gazzer -> PURPLE 
 u1 lug u2 -> [u2] [u1] [u2] 
 u1 tufa -> [u1] [u1] 
 x1 blicket x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 