<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 50-year-old farmer presents to a physician with painless, black, severely swollen pustules on the left hand. Examination reveals extensive swelling around the wound. Microscopy reveals gram-positive bacilli with a bamboo stick appearance. Culture shows large, gray, non-hemolytic colonies with irregular borders. Which of the following is the most likely diagnosis?? A: Erysipeloid, B: Brucellosis, C: Listeriosis, D: Tularemia, E: Anthrax,  <response>: This is a patient with a wound infection characterized by painless, black, swollen pustules. The description of gram-positive bacilli with a bamboo stick appearance and large, gray, irregular colonies is classic for Bacillus anthracis, the bacteria that causes anthrax infection. Anthrax can present as a cutaneous infection when spores enter through skin wounds, causing severe local swelling and black eschars. The other choices do not fit with the clinical and microbiological picture described.E: Anthrax 