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

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

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