question: we should also, however, indicate hadamard's style of teaching.
Capitalize this past sentence correctly.
A: We should also, however, indicate Hadamard's style of teaching.

question: the castle was built in 1894. the interior which has been preserved to a great extent was partly designed by the painter and architect henry van de velde.
Capitalize this past sentence correctly.
A: The castle was built in 1894. The interior which has been preserved to a great extent was partly designed by the painter and architect Henry van de Velde.

question: putin's act after the accident was unforgettable.
Capitalize this past sentence correctly.
A: Putin's act after the accident was unforgettable.