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

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

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