it is recommended to take malaria tablets, etc.. under no circumstances should you leave the car in areas outside the camping sites.

How would the previous sentence be correctly capitalized?
Answer: It is recommended to take malaria tablets, etc.. Under no circumstances should you leave the car in areas outside the camping sites.
they are needed for the proper utilization of essential fatty acids.

How would the previous sentence be correctly capitalized?
Answer: They are needed for the proper utilization of essential fatty acids.
these things are nice and often do make me feel happy for a while.

How would the previous sentence be correctly capitalized?
Answer: These things are nice and often do make me feel happy for a while.
is the system magnetically shielded?

How would the previous sentence be correctly capitalized?
Answer: Is the system magnetically shielded?