high definition picture and sound quality in full screen

How would the previous sentence be correctly capitalized?
Answer: High definition picture and sound quality in full screen
many of the scammers are involved in the construction of lucrative web.

How would the previous sentence be correctly capitalized?
Answer: Many of the scammers are involved in the construction of lucrative web.
on that shelf was a long thin rectangular device of some kind which had a rectangular readout on the front with various bars of colored lights displayed on it -- much like some stereo systems used to have.

How would the previous sentence be correctly capitalized?
Answer: On that shelf was a long thin rectangular device of some kind which had a rectangular readout on the front with various bars of colored lights displayed on it -- much like some stereo systems used to have.
5:7 for scarcely for a righteous man will one die: yet peradventure for a good man some would even dare to die.

How would the previous sentence be correctly capitalized?
Answer: 5:7 For scarcely for a righteous man will one die: yet peradventure for a good man some would even dare to die.