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

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

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