*SUPPORT*
IN: wif tufa gazzer blicket wif tufa dax OUT: PURPLE BLUE PURPLE GREEN
IN: gazzer tufa gazzer OUT: BLUE BLUE
IN: dax tufa wif OUT: GREEN PURPLE
IN: wif zup dax wif wif OUT: PURPLE RED GREEN PURPLE PURPLE
IN: zup blicket dax wif tufa dax OUT: RED GREEN PURPLE GREEN
IN: wif tufa zup OUT: PURPLE RED
IN: wif kiki wif OUT: PURPLE PURPLE
IN: zup OUT: RED
IN: wif OUT: PURPLE
IN: gazzer dax gazzer OUT: BLUE GREEN BLUE
IN: gazzer tufa wif OUT: BLUE PURPLE
IN: wif kiki zup OUT: RED PURPLE
IN: gazzer zup OUT: BLUE RED
IN: gazzer kiki zup OUT: RED BLUE

*QUERY*
IN: zup tufa dax OUT: RED GREEN
IN: wif gazzer OUT: PURPLE BLUE
IN: dax OUT: GREEN
IN: gazzer kiki wif blicket dax OUT: PURPLE BLUE GREEN
IN: dax tufa gazzer OUT: GREEN BLUE
IN: dax gazzer blicket wif OUT: GREEN BLUE PURPLE
IN: wif gazzer kiki gazzer OUT: PURPLE BLUE BLUE
IN: zup tufa wif OUT: RED PURPLE
IN: wif zup tufa dax OUT: PURPLE RED GREEN
IN: zup tufa zup OUT: RED RED

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