This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Parasitology Pa 1 (Protozoology), Subject name: Microbiology
[{'content': 'Flask shaped ulcers seen in a dysentry patient is diagnostic of: \nSelect and explain. \nA. Shigellosis, B. Amoebiasis, C. Giardiasis, D. Typhoid', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Flask shaped ulcers seen in intestinal Amoebiasis. The most Diagnostic test of amoebiasis is ELISA.', 'role': 'assistant'}]