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

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

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