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

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

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