<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 32-year-old woman visits her family physician for a routine health check-up. During the consult, she complains about recent-onset constipation, painful defecation, and occasional pain with micturition for the past few months. Her menstrual cycles have always been regular with moderate pelvic pain during menses, which is relieved with pain medication. However, in the last 6 months, she has noticed that her menses are heavier with severe lower abdominal cramps that linger for 45 days after the last day of menstruation. She and her husband are trying to conceive a second child, but lately, she has been unable to have sexual intercourse due to pain during sexual intercourse. During the physical examination, she has tenderness in the lower abdomen with no palpable mass. Pelvic examination reveals a left-deviated tender cervix, a tender retroverted uterus, and a left adnexal mass. During the rectovaginal examination, nodules are noted. What is the most likely diagnosis for this patient?? A: Irritable bowel syndrome IBS, B: Endometriosis, C: Ovarian cyst, D: Diverticulitis, E: Pelvic inflammatory disease PID,  <response>: Based on the information provided in the question stem, the key findings are:- Recent onset constipation, painful defecation, and pain with urination- Heavier menstrual periods with severe cramps lasting several days after menstruation- Inability to have intercourse due to pain - Tenderness and left-deviated cervix on pelvic exam- Retroverted and tender uterus- Left adnexal mass- Nodules on rectovaginal examThese symptoms and exam findings point towards a diagnosis of endometriosis, which can cause pelvic pain, dysmenorrhea, dyspareunia, and lead to the formation of endometriomas ovarian cysts and nodules. The other options like IBS, ovarian cyst, diverticulitis, and PID do not fit with the clinical presentation described.B: Endometriosis 