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

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

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