Please capitalize where necessary: such a letter was sufficient for stalin to reach an immediate conclusion that there are doctor-plotters in the soviet union.
A: Such a letter was sufficient for Stalin to reach an immediate conclusion that there are doctor-plotters in the Soviet Union.

Q: and after this presentation you can enjoy an amazing folkloric show with belly dance, circus riders, a tanoura dance and a lot more.

A: And after this presentation you can enjoy an amazing folkloric show with belly dance, circus riders, a tanoura dance and a lot more.

Q: wiavideo.dll blue screen, slow pc, program and system crashing fix
A: wiavideo.dll blue screen, slow PC, program and system crashing Fix

Problem: there are no best places because all the barcelona city is magical.
Can you repeat this sentence, but capitalize it?
Answer: There are no best places because all the Barcelona city is magical.

Text: what solution will you choose when...

Correct capitalization: What solution will you choose when...

Text: 19:3 and a second time they said, hallelujah. and her smoke goes up to the ages of ages.

Correct capitalization:
19:3 And a second time they said, Hallelujah. And her smoke goes up to the ages of ages.