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

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

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