Please capitalize where necessary: hi, my name is dartprincess and i am 23 years.
A: Hi, my name is dartprincess and I am 23 years.

Q: these backcast made considerable use of current past data to reproduce some approximation of the past temperature time series.

A: These backcast made considerable use of current past data to reproduce some approximation of the past temperature time series.

Q: if you ticket gets stolen, or you accidentally put it through the wash, or have other mishaps that are not the responsibility of billetlugen, it will cost you a fee of dkk 100 to have the tickets reissued. if you want the new tickets delivered by post, an additional shipping fee will apply.
A: If you ticket gets stolen, or you accidentally put it through the wash, or have other mishaps that are not the responsibility of Billetlugen, it will cost you a fee of DKK 100 to have the tickets reissued. If you want the new tickets delivered by post, an additional shipping fee will apply.

Problem: moses learned, as david did when he was a shepherd: "the lord is my shepherd, i shall not want!"
Can you repeat this sentence, but capitalize it?
Answer: Moses learned, as David did when he was a shepherd: "The Lord is my shepherd, I shall not want!"

Text: recommended products in wedding napkins

Correct capitalization: Recommended Products in Wedding Napkins

Q: piezomed: safe and effective surgical procedures

A:
Piezomed: Safe and effective surgical procedures