astronomers at the university of portsmouth, england, have created the most complete 3d map map of the universe.

How would the previous sentence be correctly capitalized?
Answer: Astronomers at the University of Portsmouth, England, have created the most complete 3D map map of the universe.
this was a perfect position for someone who wanted to organize a coup d'etat.

How would the previous sentence be correctly capitalized?
Answer: This was a perfect position for someone who wanted to organize a coup d'etat.
care should be taken, as osteolysis (the active resorption or dissolution of bone tissue) could result in a compromised mandible (lower jaw).

How would the previous sentence be correctly capitalized?
Answer: Care should be taken, as osteolysis (the active resorption or dissolution of bone tissue) could result in a compromised mandible (lower jaw).
he was looking at it while we talked on the phone. jones reported that it moved away.

How would the previous sentence be correctly capitalized?
Answer: He was looking at it while we talked on the phone. Jones reported that it moved away.