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

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

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