what about my headphones?

How would the previous sentence be correctly capitalized?
Answer: What about my headphones?
the featured china guangdong led-wall-washer lww-5-24p manufacturers and listed here are sourced by the karnar lighting.

How would the previous sentence be correctly capitalized?
Answer: The featured China GuangDong led-wall-washer lww-5-24p manufacturers and listed here are sourced by the karnar lighting.
apple has faced class action lawsuits over the "touch disease" after it refused to repair affected iphones for free.

How would the previous sentence be correctly capitalized?
Answer: Apple has faced class action lawsuits over the "touch disease" after it refused to repair affected iPhones for free.
abilities: predaking is monstrously strong.

How would the previous sentence be correctly capitalized?
Answer: Abilities: Predaking is monstrously strong.