Please capitalize where necessary: the european commission today presented its new vision for the future of vocational education and training.
A: The European Commission today presented its new vision for the future of vocational education and training.

Q: this error occurs when the dns records (that convert hostnames to ip addresses for actual use) are altered or non-existant (no authoritative dns server could be located).

A: This error occurs when the DNS records (that convert hostnames to IP addresses for actual use) are altered or non-existant (no authoritative DNS server could be located).

Q: the green sleep beds and linen are eco-certified and made out of pure latex, organic wood and cotton and ensure, together with the sound of water from the river, a profound quality sleep.
A: The Green Sleep beds and linen are eco-certified and made out of pure latex, organic wood and cotton and ensure, together with the sound of water from the river, a profound quality sleep.

Problem: confusing, now the picture is coming into focus, i can now start a plan with
Can you repeat this sentence, but capitalize it?
Answer: confusing, now the picture is coming into focus, I can now start a plan with

Text: it is good, but needs a pinch of salt and i have the guts to ask the waiter for some.

Correct capitalization: It is good, but needs a pinch of salt and I have the guts to ask the waiter for some.

Text: for this, the tofko press is excellent, as the resulting prints capture even the finest of detail from the copper etching plates", anja percival explains.

Correct capitalization:
For this, the Tofko press is excellent, as the resulting prints capture even the finest of detail from the copper etching plates", Anja Percival explains.