This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Management In Orthopedics, Subject name: Orthopaedics
[{'content': 'Jaipur foot was invented by - \nSelect and explain. \nA. P. K.Sethi, B. S. K. Verma, C. B. L. Sehgal, D. H. R. Gupta', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. is \'a\' i.e., P. K. Sethi o P. K. Sethi. Pramod Karan Sethi (28 November 1927 - 6 January 2008) was an Indian orthopaedic surgeon. With Ram Chandra Sharma, he co-invented the \'\'Jaipur foot", an inexpensive and flexible artificial limb, in 1969.', 'role': 'assistant'}]