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

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

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