question: the university of kazan flourished while lobachevsky was rector, and this was largely due to his influence.
Capitalize this past sentence correctly.
A: The University of Kazan flourished while Lobachevsky was rector, and this was largely due to his influence.

question: in 1932 karen blixen had finished her collection of tales, written in english.
Capitalize this past sentence correctly.
A: In 1932 Karen Blixen had finished her collection of tales, written in English.

question: before you can open a dso file, you'll need to figure out what kind of file the dso file extension refers to.
Capitalize this past sentence correctly.
A: Before you can open a DSO file, you'll need to figure out what kind of file the DSO file extension refers to.