chances of a stable night's sleep at this age are increased if the child can fall asleep in their own room.

How would the previous sentence be correctly capitalized?
Answer: Chances of a stable night's sleep at this age are increased if the child can fall asleep in their own room.
the following packages were removed due to circumstances beyond our control:

How would the previous sentence be correctly capitalized?
Answer: The following packages were removed due to circumstances beyond our control:
we had all been very curious about the point in the agenda: "secret mail. sensation!" and we had all been guessing wildly.

How would the previous sentence be correctly capitalized?
Answer: We had all been very curious about the point in the agenda: "Secret mail. Sensation!" and we had all been guessing wildly.
discover debian's hassle-free trademarks, use them to promote debian march 1st, 2013

How would the previous sentence be correctly capitalized?
Answer: Discover Debian's hassle-free trademarks, use them to promote Debian March 1st, 2013