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

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

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