<prompt> A 35 year old man presented with dry cough and rusty colored sputum. He has a history of eating in a Chinese restaurant very often with consumption of crabs. What is the probable causative agent in this condition?Diphyllobothrium latumPneumocystis jiroveciiParagonimus westermaniStrongyloides stercoralis  <response>: Option A: DT B12 deficiency. Fish tapeworm Option B: Causes Intestinal Pneumonia 