question: these are mainly useful to maintainers of debian mirrors.
Capitalize this past sentence correctly.
A: These are mainly useful to maintainers of Debian mirrors.

question: often, parents leave their children surrounded by a dense ring of care, not understanding, thereby limiting his freedom.
Capitalize this past sentence correctly.
A: Often, parents leave their children surrounded by a dense ring of care, not understanding, thereby limiting his freedom.

question: approaches found across a number of 4gls include:
Capitalize this past sentence correctly.
A: Approaches found across a number of 4gls include: