Please capitalize where necessary: i worked in several eu countries and i intend to retire soon.
A: I worked in several EU countries and I intend to retire soon.

Q: alex21 a record 30 years the first film "guest from the future." 5 series.

A: alex21 a record 30 years the first film "Guest from the Future." 5 series.

Q: one motherboard works fine (so far, we see when pcie expansion is added).
A: One motherboard works fine (So far, we see when PCIe expansion is added).

Problem: all of these tools and the desire to serve society around the group that makes up the various professionals nassat, is what allows you to custom responses, viable and innovative in the field of satellite internet.
Can you repeat this sentence, but capitalize it?
Answer: All of these tools and the desire to serve society around the group that makes up the various professionals Nassat, is what allows you to custom responses, viable and innovative in the field of Satellite Internet.

Text: transfer from samos (smi) lentokentta to karlovasi

Correct capitalization: Transfer from Samos (SMI) lentokentta to Karlovasi

Text: port d'alcudia is the largest and most popular holiday resort in mallorca, especially among families with young children.

Correct capitalization:
Port d'Alcudia is the largest and most popular holiday resort in Mallorca, especially among families with young children.