differentiate between A and B

arteriovenous malformation of bowel bending test machine channa coaxial phase shifter dehydroglaucine dietheroscope edani inorganic base grease leaping out ligamenta transversum scapulae inferius logic tester mancozeb Microtropis triflora notice of cancellation Piedmont glacier probenecids scarers seminiferous cord thermo-electrometer turning short round an anchor