Read the following premise and answer if the hypothesis is true.
Nil Fyodorovich Filatov (Russian: Нил Фёдорович Филатов , 2 June [O.S. 21 May] 1847 , or 16 April [O.S. 4 April] 1847 , – 8 February [O.S. 26 January] 1902 ) was a physician who is considered the founder of Russian paediatrics. His nephew Vladimir Filatov was a prominent ophthalmologist.
Hypothesis: Nil Fyodorovich FIlatov was still practing medicine when he died.. Is the answer "Yes", "No", or "It's impossible to say"? Respond with only the answer and no additional text.
It's impossible to say
It's impossible to say. The premise only states that Nil Fyodorovich Filatov was a physician at the time