<prompt> Soft sore is caused by?H ducreyiCalymmatobacteriumgranulomatisChlamydia trachomitisT. Pallidum  <response>: Ans. is a i.e., H ducrevi o Lesion of primary syphilis-Chancre Hard - chancre.o Lesion of H. Ducreyi-Chancroid Soft - chancre. 